Research

Perplexity - review

Name: Perplexity - review
Item: Perplexity
Rating: 7.9
Author: Piotr Olszewski

7.9/10

Free plan with a limit on queries in advanced modes. Pro roughly 20 USD/month (cheaper with annual payment): without most limits and with model choice.

Last updated: Sep 30, 2026

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Perplexity is today one of the best tools for quick research based on real, current sources - it does exactly what it promises.

Perplexity is an AI search engine: it combines answers generated by a language model with real web search and citations to sources. If instead of just chatting you need quick research on current data, with links to verify - this is a tool built exactly for that.

Strengths

Attaches numbered sources with links to every answer, so you can check where a given claim came from instead of taking the model's word for it.
By default reaches for current data from the web, so it handles questions about fresh events, prices or releases - where a chat based solely on training knowledge hallucinates or refuses to answer.
Deep modes (research / "deep research") break down a topic into sub-queries, search many pages, and compile it into an organized summary with links - they compress an hour of clicking through Google into a few minutes.
In the Pro plan you can choose the underlying model (including GPT, Claude, or Gemini) instead of one hard-coded, so you're not locked to a single provider.
The interface suggests follow-up questions and lets you drill down within a thread, which helps when you're just entering unfamiliar territory.

Weaknesses

Citations don't guarantee truth - the model sometimes distorts the content of a linked source or relies on a weak page, so for important things you still have to click and verify yourself.
For longer writing, creative tasks, and elaborate step-by-step reasoning it performs worse than dedicated chats (ChatGPT, Claude) - it's primarily a search engine, not a text generator.
The free plan heavily limits queries in advanced modes, so with intensive research you quickly hit the ceiling, and without Pro the tool loses much of its edge.

What forIt works best for research on current data: getting up to speed on a topic, gathering facts from many sources, verifying fresh information, and finding link-backed answers to specific questions. It performs worse where the goal is generating longer texts or creative writing.

Who is this forFor anyone who regularly searches for current information and needs sources for verification: a journalist, analyst, marketer, student, or developer checking documentation.

AlternativesIf you care more about writing, coding, and reasoning than searching, reach for ChatGPT or Claude (both already have their own web mode). For free research with links an alternative is Gemini, and for deep, multi-hour topic drilling - "deep research" modes in those chats.

VerdictPerplexity is today one of the best tools for quick research based on real, current sources - it does exactly what it promises. Don't treat it as a universal assistant, though: for writing and thinking take a chat, and for finding facts and checking what's really on the web - Perplexity. The free version is entirely enough to test it; Pro makes sense when research is your daily routine.