What is Perplexity AI? How it works
The basics: an answer engine that searches the web and cites every claim.
Read guide →Everything you need to get good at Perplexity, in one place. Start with the basics, learn to check sources and research properly, then master features like Deep Research, Spaces and Labs. Search all 41 guides, filter by level, or follow the 5-step path for beginners.
Start here
1. What is Perplexity AI? to understand cited answers. 2. The beginner’s guide to ask your first questions. 3. How to check sources, the one skill that makes every answer more useful. Then pick guides by what you want to do below.
Pick a goal and we’ll suggest three guides to read in order.
Learning path
About 28 minutes of reading in total. Tick each step as you finish it (your ticks aren’t saved when you leave the page).
Library
Search by keyword, or filter by level and topic.
Showing all 41 guides
The basics: an answer engine that searches the web and cites every claim.
Read guide →Your first question, follow-ups, sources and saving your work.
Read guide →Official links for web, iPhone, Android, Mac and Windows.
Read guide →Every feature in plain language, with the plan that includes it.
Read guide →Open, read and judge citations so you can trust an answer.
Read guide →What studies found, where it’s strong and weak, and a self-test.
Read guide →Summaries, tables and page-referenced answers from your documents.
Read guide →From research to a finished report or slide deck.
Read guide →Find, organise and synthesise academic sources step by step.
Read guide →Copy-ready prompts for everyday questions, study and work.
Read guide →Prompts built for in-depth, sourced research.
Read guide →When one search isn’t enough: comparisons, decisions and plans.
Read guide →Write a strong brief, check the report and export it.
Read guide →Project folders with files, instructions and collaborators.
Read guide →Which models each plan includes and how to pick one.
Read guide →What you can upload, the limits and a file checker.
Read guide →Labs dashboards, spreadsheets, decks and mini apps.
Read guide →The AI agent for multi-step jobs, credits and safety.
Read guide →Install, set up and use Perplexity as your assistant.
Read guide →Install, widgets, shortcuts and voice.
Read guide →The Mac app, Command Bar and Personal Computer.
Read guide →Install from the Microsoft Store and get set up.
Read guide →Perplexity’s AI browser explained.
Read guide →Official downloads for every device.
Read guide →Ask about pages and tabs, and stay in control.
Read guide →What Comet stores, sends and how to control it.
Read guide →How Comet holds up in everyday use.
Read guide →Features and workflows compared.
Read guide →What the API offers and how to begin.
Read guide →Get a key and keep it safe.
Read guide →Your first requests in Python.
Read guide →Ranked web results for your app.
Read guide →Move from Sonar to the Agent API.
Read guide →How API usage is billed.
Read guide →Fix common errors and stay within limits.
Read guide →Side-by-side with ChatGPT, Gemini, Google, Claude and Copilot.
Read guide →Free and paid options and when to use each.
Read guide →Why uploads fail and how to fix them.
Read guide →Step-by-step fixes for common problems.
Read guide →What’s stored, what’s shared and your settings.
Read guide →How to delete your account and data.
Read guide →FAQ
Start with “What is Perplexity AI?” to understand how answers and citations work, then the beginner’s guide to ask your first questions. After that, learn to check sources, then try Pro Search and Spaces. The 5-step learning path on this page follows that order.
No. perplexitiai.com is an independent, unofficial guide and isn’t affiliated with Perplexity AI, Inc. We link to Perplexity’s own help pages and other sources so you can check details, and we date every review.
Most beginner guides work on the free plan. Some features, such as model choice, Labs and Perplexity Computer, need Pro or Max, and each guide says which plan a feature needs.
Perplexity changes quickly, so we review guides regularly and show a “last reviewed” date on each page. If something looks out of date, check Perplexity’s own help center.
Read the beginner’s guide, then browse the prompt library and research prompts for copy-ready examples.
Yes. Start with the Perplexity API starting guide, then create an API key and follow the Python tutorial.
Learn by doing
Every guide has example questions you can try with one click. Start with the beginner’s guide.