Perplexity is an AI answer engine: ask a question and it searches the web, writes a short answer and shows the sources it used. It's for founders who research markets, competitors, suppliers or regulations and want to check where an answer came from. There's a free plan; Pro is $17 a month billed annually and adds bonus credits, and verified students and educators can get Pro at a discount.
What it can do for you
Get a quick, sourced overview of a market or a competitor, compare options with links to each claim, and follow up with questions without starting a new search. It's faster than opening ten tabs, and the sources make it easier to verify than a plain chatbot answer.
What people like
The citations are the reason people use it. Independent reviewers say basic searches are effectively unlimited on free, which makes it a practical replacement for many everyday searches.
The honest downsides
- Citations aren't proof. Reddit users report confidently wrong answers and sources that don't actually support the claim. Open the links for anything important.
- Deep modes are capped. Reviewers say the advanced Pro Search and Deep Research modes are limited each day on the free plan; Perplexity doesn't publish exact free limits.
- Shallow on niche topics. Answers lean on whatever ranks well, which isn't always the best source.
Skip it if
- you need guaranteed, citable accuracy without checking sources
- you want long-form writing help rather than research
Alternatives
There's nothing we list that's better for quick, sourced answers.
- Google Gemini includes Deep Research for longer reports on its free plan.
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