Perplexity
AI answer engine with cited sources and deep research reports
What is Perplexity?
Perplexity is an AI answer engine that searches the web and responds with cited sources, with research modes that read many pages and write longer reports. It is a quick way to get sourced answers instead of a list of links. There is a free plan, with Pro and Max subscriptions for heavier use.
Pros
- Citations on every answer
- Fast
- Useful free plan
Cons
- Source quality varies
- Plan limits change often
- Less good at long, structured analysis than dedicated tools
Where Perplexity ranks
Alternatives
Perplexity alternatives
ChatGPT
OpenAI's assistant with deep research, agent mode and Codex built in
Elicit
Research agent that searches, screens and summarizes academic papers
Comet
Perplexity's AI browser with an assistant that can act on web pages
Genspark
Super Agent workspace that researches and builds slides, docs and sheets
Granola
Bot-free AI notepad that turns your rough notes into meeting notes
Manus
General-purpose AI agent that researches, builds slides, sites and more
Perplexity FAQ
What is Perplexity?
+
Perplexity is an AI answer engine that searches the web and responds with cited sources, with research modes that read many pages and write longer reports. It is a quick way to get sourced answers instead of a list of links. There is a free plan, with Pro and Max subscriptions for heavier use.
How much does Perplexity cost?
+
Perplexity is free plan. Free plan; Pro and Max subscriptions add more research and models.
Is Perplexity free?
+
Yes. Perplexity has a free plan, with paid plans for more usage.
Is Perplexity an autonomous AI agent?
+
We rate Perplexity as "Task agent": completes tasks you hand it, then reports back.
What are the best Perplexity alternatives?
+
Popular alternatives to Perplexity are ChatGPT, Elicit, Comet, Genspark, Granola.