Writing & AI tools / Perplexity
Perplexity
Perplexity is a free AI-powered answer engine that provides accurate, trusted, and real-time answers to any question.
Where it stands
3.7 / 5
Signals score
Not a hands-on test
Based on 2 of 3 signals
- Website health4.2 / 5 · weight 50%
Measured from the tool's public website
- Community3.4 / 5 · weight 20%
What people said in public discussions
Built only from what we can measure or quote without using the tool. How ranking works
Rank by signals
We have not run our own hands-on test on Perplexity yet. How tests work
Disclosure: agathox makes some of the tools listed here. They are labelled and scored by the same method as every other tool.
Measured signals
4.2 / 5 · measured 2026-11-08Read automatically from Perplexity's public website: how reliable, secure, private and open the site is. This is not a test of how well the tool does its job. How this is measured
- Reliability5 / 5The page answered and finished downloading in 16 ms.
- Security5 / 55 of 5 protective headers set (strict-transport-security, content-security-policy, x-content-type-options, referrer-policy, x-frame-options).
- Privacy5 / 5No third-party tracking services found on the page.
- Transparency1 / 5No privacy policy linked; no pricing page linked.
Community feedback
3.4 / 5 · 16 commenters69% of the 16 people whose comments we could classify were positive. Read automatically from public Hacker News threads about Perplexity; the classifier is simple and can misread sarcasm, so check the threads. How this works
- Positive
“General perplexity.ai when asked hallucinated significantly showing Luxemburg as the leader and pointing to some random gdp-related resources. But this kind of perplexity gave a very good "research" on a prompt "I would…”
Read in the thread - Positive
“All of these deep research versions have failed to immediately surface the most famous and controversial article from that magazine, "The Pussification of Silicon Valley." When hinted, Perplexity did a fantastic job of…”
Read in the thread - Critical
“No matter what, Perplexity is now the worst of the worst. They were early with the ability to upload documents but the utter failure of Perplexity to be useful is proving what I have been saying for a year now, (1) LLMs…”
Read in the thread - Critical
“Where is the evidence that Perplexity, OAI etc actually use these tools in their own business. I'm not particularly impressed with the examples they provided”
Read in the thread
Threads: Perplexity Labs Playground (2023, 183 comments) · Personal Computer by Perplexity (2026, 173 comments) · Perplexity Deep Research (2025, 168 comments) · Perplexity Comet (2025, 55 comments)
Listed, not yet tested
This tool answered when we visited its site on 2026-11-10. The description above is the tool's own. We have not tested it or recorded facts about its limits, pricing or privacy, so it has no score. Are you the maker? Claim this listing to correct details and request a test.
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<a href="https://agathox.com/tools/perplexity">Perplexity on agathox: compared and tested</a>
Tasks and scores
- AI chatbotNot tested yet
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