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Perplexity AI guide

Perplexity AI: the free AI search engine with cited answers

Perplexity AI is an AI-powered answer engine that searches the web in real time and gives you direct answers with numbered sources. Learn how to use Perplexity AI, what the free and Pro plans include, and how to get more accurate answers.

Your question opens on perplexity.ai, the official Perplexity AI website.

  • Cited sources in every answer
  • Free Perplexity AI plan
  • Web, iOS, Android, Mac & Windows
Perplexity AI explained

What is Perplexity AI?

Perplexity AI is a free, AI-powered answer engine that searches the web in real time and replies with a short, direct answer backed by numbered citations to its sources. Founded in 2022 and based in San Francisco, Perplexity works on the web, iOS, Android, Mac and Windows, with Pro and Max plans for heavier use.

What is the Perplexity search engine?

The Perplexity search engine pairs its own web index with large language models. For every question it finds relevant pages, ranks the most trustworthy sources and writes a clear answer that cites each one, so you get a summary you can check instead of a list of links.

How is Perplexity different from Google?

Google shows ranked links that you open and read yourself. Perplexity reads the sources for you and returns one cited answer, and you can ask follow-up questions in the same thread.

Traditional searchA ranked list of links to open and read.
Perplexity AIOne direct answer, with every source cited.
$20BPerplexity AI valuation (last confirmed round)$200M raise, Sept 2025 (TechCrunch, Reuters). Reportedly in talks at $30B+ (The Information, Sept 2026).
$750M+Perplexity AI annualized revenue (reported)The Information, Aug 2026. Up from $450M ARR in March (Financial Times).
37.9MMonthly users of the Perplexity appsiOS and Android, Feb 2026 (Similarweb).
780MSearch queries answered in one monthMay 2025, the latest figure shared by CEO Aravind Srinivas.

Latest Perplexity AI news and updates

Perplexity AI is expanding from AI search into AI agents that do work for you. The newest launches:

  1. Fully local Computer on MacPro users can run Computer tasks entirely on their Mac, keeping work on the device.
  2. TeammatesAlways-on AI agents that own ongoing work across projects, launched as a preview for Max subscribers on the web.
  3. Computer for e-commerceAnalyzes Shopify sales and builds product pages, ads and email campaigns from one brief.
  4. FedRAMP certificationOpens Perplexity search to US federal agencies.
  5. Automations for ComputerComputer can now run recurring tasks on a schedule and react to events in connected apps.
Beginner's guide

How to Use Perplexity AI: Beginner’s Guide

Complete a first search and ask follow-up questions.

To use Perplexity AI, open perplexity.ai or the app, type a question in plain language and press Enter. You get a short answer with numbered sources. Then ask follow-up questions in the same thread to go deeper, and Perplexity keeps track of the context.

  1. Open Perplexity AI

    Go to perplexity.ai in any browser, or install the free app for iOS, Android, Mac or Windows. Signing in with a free account saves your searches to your Library.

  2. Ask your first question

    Type a full question the way you would ask a person, with any details that matter, then press Enter.

    Instead of: “laptops”  ·  Try: “What’s a good laptop for a student under $800?”

  3. Pick a mode if you need more depth

    Search is the default and works for most questions. Switch to Research when you want a longer, in-depth report. Compare the modes.

  4. Read the answer and check the sources

    Each claim has a small number next to it. Click a number to open the page it came from, and check important facts before you rely on them.

  5. Ask follow-up questions

    Type your next question in the box under the answer. Perplexity remembers the conversation, so you can say “those” or “the second one” without repeating yourself. You can also tap a suggested related question.

    Follow-up: “Which of those has the longest battery life?”

  6. Save, share or start fresh

    Every thread is saved in your Library to reopen later, and you can share a link to it. Start a new thread when you switch to a different topic, so old context doesn’t mix in.

5 follow-ups that improve any answer

  • Narrow it down“Only include sources from the last 6 months.”
  • Change the format“Put that in a table” or “Summarize in 3 bullet points.”
  • Make it simpler“Explain step 2 as if I’m new to this.”
  • Get the other side“What do critics say about this?”
  • Make it personal“Which option suits someone who travels a lot?”
Features

Perplexity Search vs Research vs Computer vs Comet

Understand which product or mode to choose.

Perplexity AI offers four main ways to work. Search gives quick cited answers, Research writes in-depth reports, Computer is an AI agent that completes multi-step tasks, and Comet is a free AI browser. Pick the one that matches the size of your task.

SearchQuick, cited answers

The default Perplexity mode. Ask in plain language and get a short answer with numbered sources in seconds. Pro Search runs several searches for harder questions.

Best for
Facts, definitions, news and everyday questions
Time
Seconds

Try: “What is the capital of Australia?”

How to use Perplexity Search →

ResearchDeep Research reports

Runs dozens of searches, reads many sources and writes a long, structured report with citations that you can export or share.

Best for
Market research, literature reviews, buying decisions
Time
A few minutes

Try: “Compare the top five project tools for small teams.”

Perplexity Research guide →

ComputerAn AI agent that does the work

A cloud AI agent that plans and finishes multi-step tasks for you, like reports, spreadsheets, dashboards and small apps, using your connected tools. It can also run tasks on a schedule.

Best for
Projects with several steps and a finished deliverable
Time
Minutes to hours, working in the background

Try: “Analyze last month’s sales and build a dashboard.”

Perplexity Computer guide →

CometThe free AI browser

A full web browser with a built-in AI assistant that understands your open tabs and pages. It can summarize, compare and help with tasks while you browse.

Best for
Reading, comparing and acting across many tabs
Time
Instant, as you browse

Try: “Summarize the reviews on these three product pages.”

Comet browser guide →

Which Perplexity product should I use?

Start with Search. Move up only when the task needs more depth or action.

  • You need a fast fact or a quick explanationSearch
  • You need a thorough, sourced report on a topicResearch
  • You want a task finished, with files or apps as the resultComputer
  • You want AI help on the pages you are already readingComet
Research mode

How to Use Perplexity Research

Produce and review a research report.

To use Perplexity Research, switch the search box to Research, describe your topic with a clear scope and format, and run it. Perplexity plans the work, runs dozens of searches, reads the sources and writes a structured report with citations, usually in a few minutes. Then review it: check key claims against the sources, ask follow-ups to fill gaps, and export or share the final version.

Part 1Produce a research report

A good report starts with a good brief. The more Perplexity knows about your goal, the more focused the research will be.

  1. Choose Research modeOpen the mode menu in the search box and pick Research. Use it for topics that need many sources, not quick facts.
  2. Write a research briefSay what you want to know, who it is for, the time range and the format. Use the template on the right.
  3. Run it and let it workPerplexity shows its plan and the sources it reads as it goes. Most reports take a few minutes.
  4. Refine with follow-upsAsk for more depth on one section, a different format or newer sources, in the same thread.

Research brief template

Cover these six things, then swap the [highlighted words] for your own.

QuestionWhat you need to know AudienceWho will read it ScopeRegion, industry, limits Time rangeHow recent the sources should be SourcesWhich types to prefer FormatSections, tables, length

Research [topic] for [audience]. Focus on [region or industry] and use sources from [the last 12 months], preferring [official data, academic studies and major news]. Structure the report as: summary, key findings, a comparison table, risks and open questions. Cite every figure and keep it under [1,500] words.

Part 2Review the report before you use it

Research reports are a strong first draft, not a final answer. Work through this checklist before you share or act on one.

Report review checklist0 of 6 done

Follow-ups that strengthen a report

Ask these in the same thread to fill gaps.

  • “Add a short glossary of the key terms in this report.”
  • “What evidence contradicts the main findings?”
  • “Update section 2 using only sources from 2026.”
  • “Turn the key findings into a one-page summary.”
Perplexity Computer

What Is Perplexity Computer? A Beginner’s Guide

Understand its purpose and current availability.

Perplexity Computer is an AI agent that completes multi-step tasks for you. Instead of answering a question, it takes a goal, plans the work, splits it across more than 20 AI models and your connected apps, and returns finished results such as reports, spreadsheets, dashboards or small apps. It is available on Perplexity Pro, Max and Enterprise plans, and uses credits.

What Perplexity Computer is for

Search gives you an answer. Computer gives you a finished piece of work.

  • Plans the steps for you from a single goal written in plain language.
  • Picks the right model for each step, choosing from more than 20 AI models.
  • Works with your apps through hundreds of connectors, such as email, calendars and CRMs.
  • Runs in the background, and can repeat tasks on a schedule with Automations.

Not sure whether you need Computer or just a search? Compare Search, Research, Computer and Comet.

Example tasks

Good first tasks have a clear goal and a clear finished result.

AnalysisTurn a sales spreadsheet into a dashboard with key trends. ResearchWrite a competitor report with sources and a comparison table. MarketingDraft product pages, ads and an email campaign from one brief. OperationsSend a weekly summary of industry news every Monday. DocumentsCheck a contract or report for contradictions and errors. BuildCreate and publish a simple web page or internal tool.

How Perplexity Computer works

  1. You describe the goalSay what you want done and what the finished result should look like.
  2. Computer makes a planIt breaks the goal into steps and shows you the plan as it works.
  3. Sub-agents do the workSteps run in parallel in a secure cloud workspace, using the best model and your connected apps.
  4. You review the resultFiles, dashboards or messages come back for you to check, edit or approve.

Current availability

Perplexity Computer availability by plan
PlanComputer accessCredits
FreeNot included—
Pro · $20/moIncludedNo recurring monthly credits; buy credits as needed, with occasional promotional bonuses
Max · $200/moIncluded, highest limits10,000 credits a month, plus early features like Teammates
Enterprise ProIncluded500 credits per user each month
Enterprise MaxIncluded15,000 credits per user each month

How credits work: 100 credits are worth $1. Bigger, longer tasks use more credits, and tasks pause when credits run out. Normal Perplexity searches don’t use Computer credits.

WebiPhone appMac appWindows appCometSlackMicrosoft 365

Beginner tips

  1. Start with a small task to see how many credits it uses.
  2. Describe the finished result, like “a one-page PDF with a chart”.
  3. Connect only the apps you need, and review what each can access.
  4. Check work before it goes out, especially emails and published pages.
  5. Watch your credit balance before setting up recurring Automations.
Comet browser

Perplexity Comet: Features, Download and Setup

Understand the browser and get started.

Perplexity Comet is a free AI web browser with a built-in assistant. It works like a normal browser, but the Comet Assistant can read the page you are on and your other open tabs, so it can summarize, compare and answer questions about them, and even carry out simple tasks for you. Comet is free on Mac, Windows, Android and iPhone.

Comet Assistant

A side panel that understands the page you are reading. Ask it to summarize, explain or pull out key points without leaving the page.

Works across your tabs

Compare products, articles or documents open in different tabs, and get one answer that draws on all of them.

Takes action for you

The assistant can carry out simple browsing tasks, such as filling in forms or finding information across sites, and checks with you before sensitive steps.

Perplexity search built in

Searches from the address bar return cited Perplexity answers, and Deep Research is available right in the browser.

Voice mode

Ask questions out loud about what is on screen and hear the answer, handy while you read or cook.

Familiar and fast

Built on Chromium, the engine behind Chrome, with a built-in ad blocker, so most sites work as you expect.

Download Comet

Comet is free on every platform. Get it only from Perplexity or an official app store.

Mac and WindowsDownload from PerplexityDownload ↗ iPhoneApp Store · iOS 18 or laterApp Store ↗
AndroidSearch “Comet” by Perplexity on Google PlayGoogle Play

Set up Comet in 5 steps

From install to your first assistant question.

  1. Install CometUse one of the official downloads and open the app.
  2. Sign in with your Perplexity accountThis links your Library, preferences and plan to the browser.
  3. Bring over your old browserImport bookmarks, passwords and history when Comet offers to, or skip it.
  4. Check privacy and permissionsChoose which sites and accounts the assistant can use before you try tasks.
  5. Open the assistant and askOn any page, open Comet Assistant and try “Summarize this page”.
Comet browser compared with the Perplexity app
Comet browserPerplexity app
What it isA full web browser with AI built inAn answer engine app
Best forWorking with pages and tabs you have openAsking questions and research
PriceFree; more with Pro or MaxFree; more with Pro or Max
ReplacesChrome, Safari or EdgeNothing, use it alongside

Use the assistant safely

  • Review before you confirm any purchase, form or message the assistant prepares.
  • Be careful on untrusted sites, since pages can contain hidden instructions aimed at AI assistants.
  • Limit account access to the sites you actually want the assistant to use.
  • Some actions may be limited by region or by the site you are on.
Files and apps

How to Create Files and Apps with Perplexity

Learn the workflow through a finished example.

To create files and apps with Perplexity, choose Labs (or Computer for bigger jobs), describe the finished files you want, and let it build them. Perplexity researches, writes the code and produces real outputs, such as spreadsheets, charts, documents and simple web apps, that you can review, refine with follow-ups, download or share. It is available on Pro and Max plans.

  1. Choose Labs or ComputerLabs is built for reports, sheets, dashboards and simple apps. Use Computer when the job has many steps or uses your connected apps.
  2. Describe the finished resultList the files and app you want, the data to use, and how it should look.Name every output: “a spreadsheet, a dashboard and a PDF”.
  3. Let it workPerplexity plans, researches, writes code and generates assets. Bigger projects can take several minutes.
  4. Review the outputsOpen the files to download, and the app preview to click through it.
  5. Refine with follow-upsAsk for changes in the same thread instead of starting over.“Add a VAT column” or “Show profit on the chart”.
  6. Download, share or publishSave the files, or share a link to the app with your team or clients.

Finished example: a café budget tracker

Here is the whole workflow with one real-world request, from the prompt to the files you get back.

1. The prompt

Create a monthly budget tracker for a small café. Build [a spreadsheet] with income and expense categories for 12 months using sample data, [a web dashboard] showing total income, total costs, profit and a monthly chart, and [a one-page PDF] explaining how to update it.

ModeLabs Plan neededPro or Max Outputs3 files + 1 app DataSample data, replace with yours
3. Follow-ups to refine it “Add a column for card fees and include it in costs.” “Highlight months where costs were higher than income.” “Make the dashboard work well on a phone.”
  • XLSXcafe-budget.xlsx12 months × 9 categories, with totals and formulasSpreadsheet
  • PNGmonthly-profit.pngBar chart of profit by monthImage
  • PDFhow-to-update.pdfOne-page guide to adding your own numbersDocument
  • APPCafé dashboardInteractive web app with live totals and chartWeb app

Works best for…

  • Reports with charts and tables
  • Spreadsheets, trackers and simple models
  • Dashboards and small interactive web apps
  • Slides, documents and one-page summaries

Before you rely on it

  • Check formulas and totals in any spreadsheet
  • Replace sample data with your real numbers
  • Treat apps as prototypes, not production software
  • Don’t upload private data you wouldn’t share

The example outputs above are illustrations with sample data. File types and tab names in Perplexity can vary between Labs, Computer and app versions.

Free plan

Is Perplexity AI Free? Features and Limits Explained

Understand what can be done without paying.

Yes, Perplexity AI is free to use. The free plan gives you unlimited quick searches with cited sources, follow-up questions, a few Pro Searches each day and a small number of file uploads. Paid plans add more advanced searches, a choice of AI models and tools like Labs and Perplexity Computer.

For most everyday questions, the free plan is enough.

What you can do for free

  • Unlimited quick searches with numbered citations on every answer
  • Follow-up questions in the same thread, saved to your Library
  • A few Pro Searches a day (about 3 to 5) for harder questions
  • Limited Deep Research for the occasional in-depth report
  • About 3 file or image uploads a day to ask questions about them
  • Spaces, Discover and voice for projects, news and hands-free questions
  • The Comet browser and the apps for web, iOS, Android, Mac and Windows

What needs Pro or Max

  • Many more Pro Searches and Deep Research reports
  • Choosing the AI model, such as GPT, Claude or Gemini
  • Labs for building reports, spreadsheets, dashboards and apps
  • Image generation inside your threads
  • Perplexity Computer, the AI agent for multi-step tasks
  • Higher upload limits for larger and more files
Pricing

Perplexity Pricing: Which Plan Should You Choose?

Compare plans by needs and budget.

Perplexity AI has three main plans: Free ($0) for everyday questions, Pro ($20 a month) for regular research and work, and Max ($200 a month) for heavy users who want top models and the Perplexity Computer agent. Students and teams have their own plans.

Free

For everyday questions

$0

Free forever

  • Unlimited quick searches with sources
  • A few Pro Searches a day
  • Limited Deep Research and uploads
  • Comet browser and all apps
See free plan limits
Best for most people

Pro

For regular research and work

$20 / month

or $200 billed yearly

  • Many more Pro Searches and Deep Research
  • Choose from 8+ AI models
  • Labs, image generation, more uploads
  • Perplexity Computer with bonus credits
Is Pro worth it?

Max

For power users and agents

$200 / month

or $2,000 billed yearly

  • Everything in Pro, with the highest limits
  • Top models and Model Council
  • 10,000 Computer credits a month
  • Early access, including Teammates agents
Full Max details
Education Pro$10 / monthPro features for verified students and educators. Offers vary by country.
Enterprise Pro$40 / seat / monthPro for teams, with admin controls, SSO and shared Spaces.
Enterprise Max$325 / seat / monthTop models and the highest limits for whole organizations.

Compare plans by budget

Monthly price per person, from free to enterprise.

$0Free $10Education Pro $20Pro $40Enterprise Pro $200Max $325Enterprise Max

Find your plan by needs

Who is it for?
How will you use Perplexity?
Recommended plan

Pro

$20 / month

You use Perplexity most days, so you’ll quickly hit the free limits. Pro gives you many more Pro Searches and Deep Research, plus your choice of AI model.

Is Pro worth it?

Reported US prices before tax. Plans, limits and student offers change often, so confirm the current price at checkout on perplexity.ai.

Usage limits

Perplexity Usage Limits Explained

Understand quotas, reset timing, and limit messages.

Perplexity usage limits cap how often you can use its advanced features. Quick searches are unlimited on every plan. Pro Searches, Deep Research, file uploads and Computer credits each have their own quota, and each refreshes on its own schedule. When a search quota runs out, Perplexity falls back to quick search, so you can keep asking questions.

Quick searches

The standard search behind most everyday questions. It never runs out, and it is what Perplexity falls back to when other quotas are used up.

Free
Unlimited
Pro & Max
Unlimited
Resets
Not needed

Pro Searches

Deeper, multi-step searches with more sources. This is the quota most people notice first.

Free
A few (about 3–5)
Pro & Max
Hundreds
Resets
Most often reported as rolling

Deep Research

Long, multi-source reports. Counted separately from Pro Searches, with a smaller allowance over a longer period.

Free
Very limited
Pro & Max
Larger allowance
Resets
Over weeks, not hours

File uploads

Documents, spreadsheets and images you attach. Limited by count and by file size.

Free
About 3 a day
Pro & Max
Much higher
Resets
Daily or rolling

Computer credits

Perplexity Computer uses credits instead of a search count. Bigger tasks use more credits.

Free
Not included
Pro & Max
Monthly credits
Resets
Each month; extra billed separately

Rate limits

A short safety brake when you send many requests very quickly. It is separate from your plan’s quotas.

Who
All plans
Trigger
Rapid repeated requests
Resets
Usually within minutes

Rolling window

Each use counts for a set period, then comes back on its own. You never get everything back at once, but you also never wait until midnight.

Example: with a 24-hour window, a Pro Search used at 3 pm today is available again at 3 pm tomorrow.

Fixed reset

Your whole allowance refills at the same moment, such as the start of a day or month. Computer credits work this way, refreshing with each monthly cycle.

Example: monthly credits used up on the 20th return in full at the start of your next cycle.

What Perplexity limit messages mean

The exact wording changes between apps and updates, but limit notices fall into these types.

Pro Searches used up
What it means: your Pro Search quota is empty for now, and new questions run as quick searches.What to do: keep asking with quick search, or wait for uses to come back. Upgrading raises the quota.
Upload limit reached
What it means: you have attached as many files as your plan allows for now, or a file is too large.What to do: paste the key text instead, split large files, or wait for the allowance to refresh.
Too many requests
What it means: a short-term rate limit after many fast requests. It is not your plan quota.What to do: pause for a few minutes, then try again. Retrying straight away won’t help.
Out of Computer credits
What it means: your monthly Perplexity Computer credits are spent.What to do: wait for next month’s credits, buy extra credits, or break the task into smaller steps.

How to make your limits last longer

Simple habits that save your advanced quota for questions that need it.

  1. Use quick search for simple facts. Save Pro Search for questions that need several sources.
  2. Write one complete question instead of several short ones, with all the details up front.
  3. Ask follow-ups in the same thread so Perplexity reuses the context it already has.
  4. Keep Deep Research for real reports. A Pro Search is often enough for comparisons.
  5. Check your usage in your account settings before starting a big piece of work.

Perplexity changes limits and reset windows from time to time, and reports differ. Your account settings show the allowance that applies to you.

Pro review

Is Perplexity Pro Worth It? A Practical Review

Evaluate whether upgrading is worthwhile.

Perplexity Pro is worth it if you research, study or work with it most days. For $20 a month (or $200 a year) you get many more Pro Searches and Deep Research reports, your choice of AI model, Labs and access to Perplexity Computer. If you only ask a few questions a week, the free plan is usually enough.

Pro is worth it for…

  • Researchers, analysts and writers who search every day
  • Students with heavy coursework (check Education Pro first)
  • Professionals who want to pick between GPT, Claude and Gemini
  • Anyone who regularly hits the free Pro Search or upload limits

Stay on Free if you…

  • Ask a handful of everyday questions each week
  • Rarely need in-depth reports or file analysis
  • Already pay for another AI tool and mainly chat with it
  • Only need the free Comet browser

What you gain with Pro

  • Far more Pro Searches and Deep Research, so harder questions get multi-step answers.
  • Choice of AI models, including GPT, Claude and Gemini, in one subscription.
  • Labs and image generation for reports, sheets, dashboards and visuals.
  • Perplexity Computer with bonus credits to try agent tasks.
  • Much higher upload limits for PDFs, spreadsheets and images.

What to keep in mind

  • Limits still apply, and Perplexity has changed them over time. How limits work.
  • Answers can still be wrong. Citations make checking easy, but you still need to check.
  • Overlap with other subscriptions if you already pay for ChatGPT, Claude or Gemini.
  • Computer credits run out on big tasks; heavy agent work needs Max or extra credits.
  • No API credit included since February 2026; developers pay for the API separately.

Is Pro worth it for you?

A rough estimate based on your own time savings.

Faster research, fewer searches to repeat, reports written for you.
Your hourly pay, or what you’d pay someone else.
Billing
Estimated value each month $108 / month Likely worth it

The time you’d save is worth about 5× the price of Pro.

The calculator is a rough guide based on your own numbers, not a promise of savings. Prices are reported US prices before tax.

Comparison

Perplexity vs ChatGPT: Compare by Task

Choose Perplexity when you need to find and verify information, and ChatGPT when you need to create something. Perplexity is built around live web search with citations on every answer, so it leads for research, current events and fact-checking. ChatGPT is a general assistant that leads for writing, coding, brainstorming and images. Both cost $20 a month at the main paid tier, and many people use both.

Perplexity vs ChatGPT by task
TaskBetter choiceWhy
Quick facts and current newsPerplexitySearches the live web on every question and cites each answer by default.
Research with sourcesPerplexityShows numbered citations inline on every answer; ChatGPT shows them when its search tool runs.
Fact-checking a claimPerplexityBuilt around finding and linking the source behind each statement.
In-depth research reportClose callBoth offer Deep Research. Tests vary: ChatGPT often goes deeper, Perplexity is often faster.
Writing and editingChatGPTStronger at drafting, rewriting and matching tone for emails, essays and posts.
Brainstorming and creative workChatGPTBetter at open-ended ideas, stories and back-and-forth creative sessions.
Coding and debuggingChatGPTIncludes the Codex coding agent on paid plans; Perplexity is handy for looking up documentation.
Images and visualsChatGPTImage generation is a core feature; Perplexity offers it on paid plans.
Learning a new topicClose callChatGPT is a patient conversational tutor; Perplexity explains with sources you can read.
Multi-step tasks with agentsClose callPerplexity Computer and ChatGPT’s agents both carry out tasks; pick the one tied to your tools.
Browsing with AIPerplexityThe free Comet browser reads your open tabs and answers with sources.
Budget optionChatGPTChatGPT Go at $8 a month sits between free and $20; Perplexity has no plan between Free and Pro.

Use both together

Many people pair the two: Perplexity for the facts, ChatGPT for the finished writing.

  1. Research in Perplexity and get a cited summary of the facts you need.
  2. Check the key sources so the facts are solid before you write.
  3. Paste the summary into ChatGPT and ask it to draft, restructure or change the tone.
  4. Keep the citations from Perplexity so readers can check your claims.

Price comparison

Both have a free plan and a main paid plan at $20 a month. ChatGPT adds a cheaper Go plan and two Pro levels.

Perplexity

  • Free$0
  • Pro$20 / month
  • Max$200 / month
  • Education Proabout $10 / month

ChatGPT

  • Free$0
  • Go$8 / month
  • Plus$20 / month
  • Pro$100 or $200 / month

Reported US prices before tax. Both companies change plans and features often, so check their pricing pages before you subscribe.

Accuracy

How Accurate Is Perplexity? How to Check Its Sources

Verify claims and assess citations.

Perplexity is one of the more accurate AI search tools, but it is not always right. In an independent 2025 test of eight AI search engines, it had the lowest error rate, yet still got 37% of answers wrong. Its numbered citations make checking easy: open the source, find the exact passage, and confirm it says what the answer claims.

37%Perplexity’s error rateThe lowest of eight AI search tools tested
60%+Wrong across all eight toolsOut of 1,600 test queries in total
94%Highest error rateGrok 3, the weakest tool in the same test

Source: Tow Center for Digital Journalism, Columbia Journalism Review, March 2025. The test asked each tool to identify the original news article behind a quoted excerpt, so it measures citation accuracy for news, not every kind of question. The study also found that paid tiers, including Perplexity Pro, were sometimes more confidently wrong than free versions.

How to verify a Perplexity claim in five steps

You don’t need to check everything. Check the claims you will repeat, publish or act on.

  1. Pick the claims that matterNumbers, dates, names, quotes and anything that would change your decision.
  2. Open the citationClick the small number after the claim, or open the Sources list.
  3. Find the exact passagePress Ctrl+F (Cmd+F on Mac) and search the page for the key words or number.
  4. Compare carefullyCheck the figure, date, place and context match. Summaries can drift from the source.
  5. Confirm important facts twiceFor high-stakes facts, find a second independent source that agrees.

How to assess a citation

A citation proves where a claim came from, not that it is true. Judge the source itself with these questions.

Original or second-hand?

Official data, studies and the original article beat summaries, copies and syndicated versions.

Ask: who first published this?

Recent enough?

Check the date. Prices, laws, statistics and product details go out of date fast.

Ask: when was this written or updated?

Reputable?

Prefer established publishers, institutions and named experts over anonymous pages.

Ask: who is behind this site?

Supports this exact claim?

A page about the right topic may still not say what the answer claims.

Ask: is the claim actually on the page?

Truly independent?

Five sources that copy one press release count as one source.

Ask: do they rely on the same origin?

Still reachable?

Broken links, paywalls and missing pages mean the claim is unverified for now.

Ask: can I open and read it?

Red flags in an answer

  • The link is broken or leads to a page that doesn’t exist.
  • The page is on-topic but silent about the specific claim.
  • One citation covers a long sentence that mixes several facts.
  • An old page is cited for something that changes often.
  • Forums or reposts are used as proof of a factual claim.
  • An important claim has no citation at all.

Ask Perplexity to check itself

Follow-ups in the same thread make weak spots easier to find.

“Go through your answer claim by claim and list the source that supports each one.”

“Quote the exact sentence from each source that backs up your main points.”

“Which claims in your answer have the weakest evidence?”

“Answer again using only official or primary sources.”

Accuracy changes as models and search systems are updated, and results vary by topic. Treat Perplexity as a fast starting point and verify anything important.

For students

How to Use Perplexity for Studying

Use Perplexity as a study partner, not a shortcut. Ask it to explain difficult topics in plain language, summarize your lecture notes, find academic sources with citations, quiz you before exams and build a study plan. Keep each course in its own Space, check important facts against the sources, and follow your school’s rules on AI use.

  1. 1 · UnderstandGet clear explanationsAsk for simple explanations, examples and analogies, then ask follow-ups until it clicks.
  2. 2 · ResearchFind trustworthy sourcesAsk for academic or official sources and open the citations to read the originals.
  3. 3 · OrganizeOne Space per courseKeep threads and uploaded notes together, with instructions like “explain at first-year level”.
  4. 4 · PracticeQuiz yourselfGenerate practice questions and flashcards, answer them first, then check.
  5. 5 · ReviewClose the gapsExplain topics back in your own words and ask Perplexity what you missed.

Good study habits

  • Use it like a tutor to understand, then do the work yourself
  • Open the cited sources and read the key parts
  • Check academic references in your library or Google Scholar
  • Cite the original sources, not Perplexity

Avoid

  • Submitting AI-written work as your own
  • Using it during exams or graded tests unless allowed
  • Trusting answers without checking the sources
  • Uploading other people’s private or personal data

Do students need to pay?

No. The free plan covers explanations, quick research and a few file uploads a day. If you study with Perplexity every day, Education Pro gives verified students and educators Pro features for about $10 a month, where it is offered.

Rules on AI differ between schools and courses, so check your syllabus or ask your teacher.

Compare plans
For business

How to Research Competitors with Perplexity

To research competitors with Perplexity, start with a quick search to list who you compete with, then use Research mode to compare their pricing, features, positioning and customer reviews in a cited table. Use Perplexity Computer to monitor competitors every week and turn findings into a SWOT or battlecard. Always check prices and claims on the competitors’ own sites.

  1. SearchDefine your marketName your product, customers and region, then ask Perplexity to list your main competitors.
  2. SearchProfile each competitorCollect what they sell, who they target, how they price and what changed recently.
  3. ResearchCompare side by sideAsk for a cited table of pricing, features and positioning across all competitors.
  4. ResearchListen to their customersSummarize reviews to find what buyers love and hate, and where you can win.
  5. CometCheck the sources yourselfOpen competitor pricing and product pages side by side and confirm the details.
  6. ComputerKeep watchingSet a weekly briefing on competitor news, pricing and hiring, and turn findings into a SWOT or battlecard.

Competitor research prompts

Replace the [highlighted words] with your details. The tag shows the best mode for each prompt.

Find your competitors

Search

List the 8 main competitors of [your company or product] in [market or country]. For each, give a one-line description, target customer and website.

Build a competitor profile

Search

Create a profile of [competitor]: what they sell, pricing, target customers, positioning, recent news from the last 6 months and funding if public. Cite every fact.

Compare pricing and features

Research

Compare [your product], [competitor 1], [competitor 2] and [competitor 3] in a table: plans, prices, key features, free trial and contract terms. Use only the companies' own pricing pages where possible.

Mine customer reviews

Research

Summarize what customers praise and complain about for [competitor] using reviews from the last 12 months on sites like G2, Capterra and app stores. Group the themes and give examples.

Run a SWOT analysis

Research

Do a SWOT analysis of [competitor] compared with [your product] for [target customer]. Back each point with a source and end with 3 opportunities for us.

Monitor competitors weekly

Computer

Every Monday, check news, blog posts, pricing pages and job listings for [competitor 1], [competitor 2] and [competitor 3]. Summarize anything new in 5 bullet points with links and email it to me.

What to research about each competitor

  • ProductFeatures, roadmap hints and integrations
  • PricingPlans, discounts, trials and contract terms
  • PositioningWho they target and how they describe themselves
  • CustomersReviews, ratings and common complaints
  • Growth signalsFunding, hiring, partnerships and launches
  • MarketingChannels, content topics and messaging

Limits and good practice

  • Confirm prices on the competitor’s own site. Prices change often and can differ by region.
  • Treat private-company numbers as estimates. Revenue and user figures are rarely public.
  • Some data is out of reach, such as paywalled reports and content behind logins.
  • Stick to public information. Don’t pose as a customer or break a site’s terms to get data.
  • Date your findings, so your team knows how current the comparison is.
Download

Perplexity AI Download: Official Apps and Setup

Find verified downloads for supported devices.

Perplexity AI is free to download on iPhone, iPad, Android, Mac and Windows, and works in any web browser with no install. Download it only from the official app stores or perplexity.ai, and check that the developer is Perplexity AI, Inc. before you install.

iPhone and iPadApp Store

App name
Perplexity – AI Search & Chat
Developer
Perplexity AI, Inc.
Requires
iOS or iPadOS 17 or later

AndroidGoogle Play

App name
Perplexity – Ask Anything
Developer
PerplexityAI
Extra
Can be set as your phone’s assistant

MacMac App Store or perplexity.ai

App name
Perplexity: Ask Anything
Developer
Perplexity AI, Inc.
Extra
Personal Computer can work with your Mac’s files and apps

Windowsperplexity.ai or Microsoft Store

Choose “Download for Windows” on perplexity.ai, or search for Perplexity in the Microsoft Store and check the publisher is Perplexity AI.

Web and LinuxAny modern browser

No install needed: open perplexity.ai in Chrome, Safari, Edge, Firefox or any modern browser. Linux has no native app, so use the web version.

Set up Perplexity in 5 steps

The same steps work on every device.

  1. Download from an official sourceUse one of the links above, not a mirror or APK site.
  2. Sign in or create a free accountYour account keeps your Library and settings in sync across devices.
  3. Allow only the permissions you needMicrophone for voice questions, notifications for updates. You can change these later.
  4. Set your preferencesPick your language and region so answers fit where you are.
  5. Ask your first questionNew to Perplexity? Follow the beginner’s guide.

How to spot a verified download

Fake “Perplexity” apps and installers exist. Check the listing before you tap Install.

  • APK mirrors and “free download” sites
  • Unofficial desktop apps from code-sharing sites
  • Apps that charge to download (Perplexity is free)

Store names and system requirements can change. If a link doesn’t open in your region, search the store for “Perplexity” and confirm the developer.

Official site and login

Perplexity AI Official Website and Login Guide

Reach the official service and resolve access confusion.

The official Perplexity AI website is perplexity.ai. To log in, go to perplexity.ai or open the official app, choose Sign in, and use the same method you signed up with, such as Google, Apple or your email address. Perplexity is free to use, and you can ask questions without an account; signing in saves your history and unlocks paid plans.

This guide is not the official Perplexity website. It has no login and will never ask for your password or sign-in codes. Every sign-in link here goes to perplexity.ai.

Main servicePerplexity on the webperplexity.ai

Ask questions, sign in and manage your account and plan.

Go to perplexity.ai ↗
Mobile appsiPhone, iPad and AndroidApp Store · Google Play

Developer: Perplexity AI, Inc. (PerplexityAI on Google Play).

See verified app links
DevelopersAPI documentationdocs.perplexity.ai

API keys, guides and reference for the Perplexity API.

Open the API docs ↗

Fix common login and access problems

Most access confusion comes down to the wrong website, the wrong sign-in method or the wrong store account.

My history or Pro plan is missing after signing in

You probably signed in with a different method, such as Google instead of email, which can create a separate account. Sign out and try the method you used first.

The sign-in code email never arrives

Check spam and promotions folders, make sure the address is typed correctly, wait a minute and request a new code. Use the newest code only.

I paid for Pro in the app but it isn’t showing

Subscriptions bought through the App Store or Google Play are tied to that store account. Sign in with the same Perplexity account on that device, then use the app’s restore purchases option if available. Manage or cancel it in the store’s subscription settings.

I found a different “Perplexity” website asking me to log in

Close it and go to perplexity.ai directly. Guides like this one, and lookalike domains, are not the official service. If you entered details on another site, change your email or Google password and sign out of other sessions.

My work account uses single sign-on

Enterprise accounts often sign in through your company’s identity provider. Use your work email on perplexity.ai, and contact your IT admin if access is blocked.

I’m still locked out

Use the help and support links on perplexity.ai to contact Perplexity directly. Never share sign-in codes with anyone who contacts you claiming to be support.

Stay safe when signing in

Lookalike sites and fake apps use the Perplexity name to collect logins.

  • Check the address bar shows perplexity.ai before you sign in.
  • Never share sign-in codes or passwords, even with someone claiming to be Perplexity.
  • Be wary of ads and emails offering free Pro or asking you to “verify” your account.
  • Protect the account you sign in with by turning on two-step verification for your Google, Apple or email account.
Prompt library

Perplexity AI Prompts for Research, Work and Study

Find useful, tested starting prompts.

The best Perplexity AI prompts say what you want, add context, ask for a format and point to the right sources. Copy a prompt below, swap the [highlighted words] for your own details, and run it in the suggested mode.

  • 1. GoalWhat you want: compare, explain, summarize.
  • 2. ContextWho it is for, your budget, level or deadline.
  • 3. FormatA table, bullet points, a plan or a word limit.
  • 4. SourcesHow recent, and which types of sources to trust.

Quick literature scan

Research

Find the 5 most-cited studies published since 2023 on [topic]. For each, give the main finding, sample size and a link. Then summarize where researchers agree and disagree.

Asks for recent, specific evidence and a summary of agreement, so you see the full picture.

Try on Perplexity ↗

Market overview

Research

Give me an overview of the [industry] market in [country]: size, growth rate, top 5 companies and key trends. Use sources from the last 12 months and cite every figure.

A time limit on sources keeps numbers current; citing every figure makes them easy to check.

Try on Perplexity ↗

Fact-check a claim

Search

Is this claim accurate: "[claim]"? Check reliable sources, answer true, false or unclear, and explain why with citations.

A clear verdict plus reasons stops vague, hedged answers.

Try on Perplexity ↗

Compare options

Research

Compare [option A], [option B] and [option C] for [use case] in a table with price, key features, pros and cons. End with a recommendation for [your situation].

Tables make trade-offs easy to scan, and your situation makes the advice personal.

Try on Perplexity ↗
Tip: ask a follow-up in the same thread to refine the answer instead of starting over. See the full prompt library →
FAQ

Frequently Asked Questions about Perplexity AI

Quick answers to the questions people ask most, with links to the full section for each.

Basics

What is Perplexity AI?

An AI answer engine made by Perplexity AI, Inc. You ask a question in plain language and get a written answer built from live web results, with a numbered link to every source it used.

Read more →
What is the Perplexity search engine?

It is the system behind those answers. Perplexity's own crawler and web index find and rank pages, then an AI model such as Sonar summarizes them and attaches the citations.

Read more →
How is Perplexity different from Google?

Google lists pages for you to open. Perplexity opens and reads them for you, gives one combined answer with links, and lets you keep going with follow-up questions.

Read more →
How do I use Perplexity AI?

Go to perplexity.ai or open the app, type a full question and press Enter. Click the numbers to check sources, and type a follow-up in the same thread to dig deeper.

Read more →
Is Perplexity better than ChatGPT?

Neither wins everything. Perplexity is the stronger pick for research, news and fact-checking, while ChatGPT is stronger for drafting, coding and creative work.

Read more →
Who owns Perplexity AI?

Perplexity AI, Inc., a private company in San Francisco. It was founded in August 2022 by Aravind Srinivas, now its CEO, with Denis Yarats, Johnny Ho and Andy Konwinski.

Read more →

Plans and pricing

Is Perplexity AI free?

Yes. Quick searches, follow-ups and the Comet browser cost nothing, and you get a small daily allowance of Pro Searches and uploads. Heavier use needs Pro or Max.

Read more →
How much does Perplexity AI cost?

Free is $0, Pro is $20 a month or $200 a year, and Max is $200 a month or $2,000 a year. Verified students can get Education Pro for about $10 a month, and teams pay per seat.

Read more →
What are Perplexity's usage limits?

Quick searches have no cap. Pro Searches, Deep Research, uploads and Computer credits each have their own allowance that refills over time, and your account settings show what is left.

Read more →
Is Perplexity Pro worth it?

It pays off for people who research or study with Perplexity most days and keep hitting free limits. Occasional users rarely need it.

Read more →

Features

What is the difference between Perplexity Search, Research, Computer and Comet?

Search answers in seconds, Research writes a long sourced report in minutes, Computer is an agent that finishes multi-step tasks, and Comet is a free browser with an AI assistant built in.

Read more →
How do I use Perplexity Research?

Switch the mode to Research and give a clear brief with your topic, audience, time range and format. Before you share the report, open its citations and check the key claims.

Read more →
What is Perplexity Computer?

Perplexity's AI agent. You describe a goal and it plans the steps, uses several AI models and your connected apps, and hands back finished work. It needs a paid plan and runs on credits.

Read more →
What is Perplexity Comet?

Perplexity's own web browser. Its assistant can summarize the page you are on, compare your open tabs and help with simple browsing tasks, and it costs nothing to download.

Read more →
How do I create files and apps with Perplexity?

Ask Labs, or Computer for larger jobs, for specific deliverables such as a spreadsheet, a dashboard or a PDF. Review what it builds, request changes in the same thread, then download or share it.

Read more →
How can I use Perplexity for studying?

Treat it like a tutor: ask for simple explanations, practice questions, study plans and academic sources, then check those sources and do graded work yourself.

Read more →
How do I research competitors with Perplexity?

List your rivals with a quick search, compare them in a cited Research table, and set up a weekly Computer task to track their news and pricing.

Read more →
Does Perplexity have an API?

Yes. Developers can add Perplexity's cited web search to their own apps. Sonar now runs through the Agent API, billed pay-as-you-go and separately from Pro or Max.

Read more →

Account and access

What is the official Perplexity AI website?

perplexity.ai is the only official website. Sign in there or in the official apps, using the same method you first signed up with.

Read more →
Is this the official Perplexity website?

No. This is an independent, unofficial guide that is not affiliated with Perplexity AI, Inc. It has no login and never asks for passwords or sign-in codes.

Read more →
Can I use Perplexity without an account?

Yes, you can ask questions on perplexity.ai without signing up. A free account saves your threads, syncs them across devices and lets you upgrade later.

Read more →
Where can I download Perplexity AI?

From the App Store, Google Play, or perplexity.ai for Mac and Windows. Check the developer is Perplexity AI, Inc.; on Linux, use the website.

Read more →

Accuracy and safety

How accurate is Perplexity?

It did better than other AI search tools in independent tests but still makes mistakes: in a 2025 Columbia Journalism Review study it answered 37% of test queries incorrectly. Check key claims against the cited pages.

Read more →
Is Perplexity safe to use?

It is a mainstream service, but treat it like any online tool: verify important answers, avoid sharing sensitive personal data, sign in only on perplexity.ai, and review what connected apps can access.

Read more →

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