GPTZero
Fewer than 5 people recommend it so far, so there's no written verdict. Here is what commenters said.
Why people recommend it
“There is a useful GPTZero-based provenance tool for editors (and readers) to check if a page contains AI-generated text”
“GPTZero gives it a 100% chance of being AI generated”
Show 1 more
“Seems to do exactly what you're talking about.”
Caveats and dissent
“Pangram and GPTZero also think it is written by a bot”
“GPTZero thinks the paragraph is human written.”
Show 2 more
“to amplify the author's product pitch”
“the GPTZero folks do make very strong claims based on nothing more than a URL scraper script”
Often compared with
From the makers not counted in the ranking
“the tool gptzero used in the article also detects if the citation supports the claim too”
Threads where it came up
- Over fifty new hallucinations in ICLR 2026 submissions 4 mentions
- Code-execution flaw in UEFI firmware threatens most servers on planet Earth 1 mention
- Wikipedia's Cleanup of AI-Generated Content 1 mention
- Better AI code comment detector 1 mention
- PostgreSQL production incident caused by transaction ID wraparound 1 mention
- Google Gemma 4 Runs Natively on iPhone with Full Offline AI Inference 1 mention
Data: gptzero.json. Quotes are verbatim; the verdict and theme labels are written by a model from these comments, and every clause links to its sources.
All comments 14
“GPTzero says 100% human”
“There is a useful GPTZero-based provenance tool for editors (and readers) to check if a page contains AI-generated text”
“Pangram and GPTZero also think it is written by a bot”
“gptzero says AI with 100% confidence”
https://redd.it/13mft8s
“GPTZero gives it a 100% chance of being AI generated”
“GPTZero thinks the paragraph is human written.”
“paste any section after the "Introduction" section into https://gptzero.me/”
Granted it's often easy to tell on your own, but when I'm uncertain I use GPTZero's Chrome extension for this. Eventually I'll stop doing that and assume most of what I read outside of select trusted forums is genAI.
“to amplify the author's product pitch”
“the GPTZero folks do make very strong claims based on nothing more than a URL scraper script”
“Seems to do exactly what you're talking about.”
“I'm finding the GPTZero share links difficult to understand”
“If your mental model of AI detectors is still GPTZero or the ones that say the declaration of independence is AI”