{"slug": "gptzero", "name": "GPTZero", "category": "ai", "category_name": "AI tools and apps", "description": "", "recommenders": 4, "commenters": 14, "warners": 6, "score": -0.473, "rising": 0.02, "first": "2025-11-29", "latest": "2026-10-29", "why": "There is a useful GPTZero-based provenance tool for editors (and readers) to check if a page contains AI-generated text", "why_is_quote": true, "has_verdict": false, "sentiment": {"recommend": 4, "neutral": 4, "compare": 0, "warn": 6}, "spark": [0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 1], "listed": true, "loved": [], "caveat": "", "short_quote": "There is a useful GPTZero-based provenance tool for editors (and readers) to check if a page contains AI-generated text", "kind": "", "icon": true, "domain": "gptzero.me", "github_repo": null, "official_url": "https://gptzero.me/", "pricing": "", "aliases": ["GPTZero"], "verdict": null, "praise": [{"label": "", "summary": "", "quotes": [{"id": 804350976, "item_id": 50271936, "url": "https://news.ycombinator.com/item?id=50271936", "by": "Mr_Minderbinder", "date": "2026-10-28", "version": null, "stance": "recommend", "quote": "There is a useful GPTZero-based provenance tool for editors (and readers) to check if a page contains AI-generated text", "excerpt": "There is a useful GPTZero-based provenance tool for editors (and readers) to check if a page contains AI-generated text: https://wikipedia.gptzero.me/", "context": "", "use_case": "Detecting AI-generated text", "switched_from": "", "story": "Wikipedia's Cleanup of AI-Generated Content"}, {"id": 762650656, "item_id": 47665666, "url": "https://news.ycombinator.com/item?id=47665666", "by": "mkeeter", "date": "2026-04-06", "version": null, "stance": "recommend", "quote": "GPTZero gives it a 100% chance of being AI generated", "excerpt": "The review is also heavily LLM-inflected, to the point of being distracting. GPTZero gives it a 100% chance of being AI generated, and I've found that these tools may give false negatives from a well-prompted model, but false positives are rare. If you are looking to tune your intuition for AI-written text, here's an interesting list of their quirks (ironically provided as a Claude skill for removing those quirks fro", "context": "", "use_case": "", "switched_from": "", "story": "Book Review: There Is No Antimemetics Division"}, {"id": 739006192, "item_id": 46187887, "url": "https://news.ycombinator.com/item?id=46187887", "by": "lijenjin", "date": "2025-12-07", "version": null, "stance": "recommend", "quote": "Seems to do exactly what you're talking about.", "excerpt": "The linked article at the end says: \"First, using Hallucination Check together with GPTZero\u2019s AI Detector allows users to check for AI-generated text and suspicious citations at the same time, and even use one result to verify the other. Second, Hallucination Check greatly reduces the time and labor necessary to verify a document\u2019s sources by identifying flawed citations for a human to review.\" On their site (https:/", "context": "", "use_case": "Citation and AI-text checking", "switched_from": "", "story": "Over fifty new hallucinations in ICLR 2026 submissions"}]}], "caveats": [{"label": "", "summary": "", "quotes": [{"id": 794075121, "item_id": 49629695, "url": "https://news.ycombinator.com/item?id=49629695", "by": "saejox", "date": "2026-09-09", "version": null, "stance": "warn", "quote": "Pangram and GPTZero also think it is written by a bot", "excerpt": "my handwritten very detailed 10 lines comment block is %87 robot. and i use broken english with wrong grammer all the time. you are not the only one, Pangram and GPTZero also think it is written by a bot. ai detection may be an unsolvable issue.", "context": "", "use_case": "AI text detection", "switched_from": "", "story": "Better AI code comment detector"}, {"id": 752235121, "item_id": 47014695, "url": "https://news.ycombinator.com/item?id=47014695", "by": "PaulHoule", "date": "2026-02-14", "version": null, "stance": "warn", "quote": "GPTZero thinks the paragraph is human written.", "excerpt": "It gets RHLFed into them. I have had arguments about it with GPT-based Copilot. I had to write a difficult paragraph and did go back and forth with it for advice but used at most a half-sentence from it, GPTZero thinks the paragraph is human written. I\u2019d tell it \u201cif I used that people would say that you wrote it\u201d and it would say that it thinks it writes better than most people.", "context": "", "use_case": "", "switched_from": "", "story": "Why High-Performers Restart Instead of Compound"}, {"id": 747576880, "item_id": 46723555, "url": "https://news.ycombinator.com/item?id=46723555", "by": "j2kun", "date": "2026-01-22", "version": null, "stance": "warn", "quote": "to amplify the author's product pitch", "excerpt": "I spot-checked one of the flagged papers (from Google, co-authored by a colleague of mine) The paper was https://openreview.net/forum?id=0ZnXGzLcOg and the problem flagged was \"Two authors are omitted and one (Kyle Richardson) is added. This paper was published at ICLR 2024.\" I.e., for one cited paper, the author list was off and the venue was wrong. And this citation was mentioned in the background section of the pa", "context": "", "use_case": "Detecting hallucinated citations", "switched_from": "", "story": "GPTZero finds 100 new hallucinations in NeurIPS 2025 accepted papers"}, {"id": 739048880, "item_id": 46190555, "url": "https://news.ycombinator.com/item?id=46190555", "by": "mike_hearn", "date": "2025-12-08", "version": null, "stance": "warn", "quote": "the GPTZero folks do make very strong claims based on nothing more than a URL scraper script", "excerpt": "There are other issues. In January they claimed that a US health report contained \"fabricated\" and \"AI generated\" citations with the headline being a claim from a Cigna Group report. Their claim it's fabricated is based on nothing more than the URL now being a redirect of the type common in corporate website reorgs. I did some checking and found the report does exist, but the citation is still not quite correct. Then", "context": "", "use_case": "", "switched_from": "", "story": "Over fifty new hallucinations in ICLR 2026 submissions"}]}], "who": [], "tags": [], "use_cases": ["detecting ai-written text", "detecting ai-generated text", "ai text detection", "detecting hallucinated citations", "citation and ai-text checking"], "compared": [{"slug": "pangram", "name": "Pangram", "co": 5, "switched_from": 0, "switched_to": 0}], "makers": [{"id": 738984960, "item_id": 46186560, "url": "https://news.ycombinator.com/item?id=46186560", "by": "alexcdot", "date": "2025-12-07", "version": null, "stance": "recommend", "quote": "the tool gptzero used in the article also detects if the citation supports the claim too", "excerpt": "really good point. one of the cofounders of gptzero here! the tool gptzero used in the article also detects if the citation supports the claim too, if you scroll to \"cited information accuracy\" here: https://app.gptzero.me/documents/1641652a-c598-453f-9c94-e0b1f51ef7ab/share this is still in beta because its a much harder problem for sure, since its hard to determine if a 40 page paper supports a claims (if the paper", "context": "cofounder of GPTZero", "use_case": "Checking citations for hallucinations", "switched_from": "", "story": "Over fifty new hallucinations in ICLR 2026 submissions"}], "threads": [{"url": "https://news.ycombinator.com/item?id=46181466", "title": "Over fifty new hallucinations in ICLR 2026 submissions", "mentions": 4}, {"url": "https://news.ycombinator.com/item?id=50265393", "title": "Code-execution flaw in UEFI firmware threatens most servers on planet Earth", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=50257326", "title": "Wikipedia's Cleanup of AI-Generated Content", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=49628454", "title": "Better AI code comment detector", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=47819305", "title": "PostgreSQL production incident caused by transaction ID wraparound", "mentions": 1}, {"url": "https://news.ycombinator.com/item?id=47774971", "title": "Google Gemma 4 Runs Natively on iPhone with Full Offline AI Inference", "mentions": 1}], "sentiment_by_month": {"2025-11": {"warn": 1}, "2025-12": {"warn": 2, "recommend": 1}, "2026-01": {"warn": 1}, "2026-02": {"recommend": 1, "neutral": 1, "warn": 1}, "2026-03": {}, "2026-04": {"recommend": 1, "neutral": 2}, "2026-05": {}, "2026-06": {}, "2026-07": {}, "2026-08": {}, "2026-09": {"warn": 1}, "2026-10": {"recommend": 1, "neutral": 1}}, "versions": [], "version_unnamed": 0, "family_ref": null, "runs_on": null, "lines": [], "quotes": [{"id": 804562114, "item_id": 50285132, "url": "https://news.ycombinator.com/item?id=50285132", "by": "Imustaskforhelp", "date": "2026-10-29", "version": null, "stance": "neutral", "quote": "GPTzero says 100% human", "excerpt": "My apologies, I take back what I say but I tested it on https://kouh.me/ai-text-detector because that's the only AI text detector which doesn't have some word limit. (It was recently submitted as a show HN[0]) I then tested it on pangram and gptzero and pangram does say 97% human and only 3% AI and GPTzero says 100% human For some reason, my AI spidey sense had activated and I used the new AI text detector and it had", "context": "", "use_case": "detecting AI-written text", "switched_from": "", "story": "Code-execution flaw in UEFI firmware threatens most servers on planet Earth"}, {"id": 804350976, "item_id": 50271936, "url": "https://news.ycombinator.com/item?id=50271936", "by": "Mr_Minderbinder", "date": "2026-10-28", "version": null, "stance": "recommend", "quote": "There is a useful GPTZero-based provenance tool for editors (and readers) to check if a page contains AI-generated text", "excerpt": "There is a useful GPTZero-based provenance tool for editors (and readers) to check if a page contains AI-generated text: https://wikipedia.gptzero.me/", "context": "", "use_case": "Detecting AI-generated text", "switched_from": "", "story": "Wikipedia's Cleanup of AI-Generated Content"}, {"id": 794075121, "item_id": 49629695, "url": "https://news.ycombinator.com/item?id=49629695", "by": "saejox", "date": "2026-09-09", "version": null, "stance": "warn", "quote": "Pangram and GPTZero also think it is written by a bot", "excerpt": "my handwritten very detailed 10 lines comment block is %87 robot. and i use broken english with wrong grammer all the time. you are not the only one, Pangram and GPTZero also think it is written by a bot. ai detection may be an unsolvable issue.", "context": "", "use_case": "AI text detection", "switched_from": "", "story": "Better AI code comment detector"}, {"id": 765227281, "item_id": 47826705, "url": "https://news.ycombinator.com/item?id=47826705", "by": "buggymcbugfix", "date": "2026-04-19", "version": null, "stance": "neutral", "quote": "gptzero says AI with 100% confidence", "excerpt": "Getting AI vibes from this article? It is strangely repetitive and meandering. Also tell-tale \"It's not X, it's Y\" and sort of unspecific mostly. Also, why would you have billions of open transactions? That is the implication I got from the article as someone who doesn't know anything about Postgres. (I use SQLite and perhaps I have Stockholm syndrome, but I like how it pushes you towards a design with small transact", "context": "", "use_case": "detecting AI-written text", "switched_from": "", "story": "PostgreSQL production incident caused by transaction ID wraparound"}, {"id": 764449136, "item_id": 47778071, "url": "https://news.ycombinator.com/item?id=47778071", "by": "xd1936", "date": "2026-04-15", "version": null, "stance": "neutral", "quote": "", "excerpt": "https://redd.it/13mft8s", "context": "", "use_case": "Detecting AI-written text", "switched_from": "", "story": "Google Gemma 4 Runs Natively on iPhone with Full Offline AI Inference"}, {"id": 762650656, "item_id": 47665666, "url": "https://news.ycombinator.com/item?id=47665666", "by": "mkeeter", "date": "2026-04-06", "version": null, "stance": "recommend", "quote": "GPTZero gives it a 100% chance of being AI generated", "excerpt": "The review is also heavily LLM-inflected, to the point of being distracting. GPTZero gives it a 100% chance of being AI generated, and I've found that these tools may give false negatives from a well-prompted model, but false positives are rare. If you are looking to tune your intuition for AI-written text, here's an interesting list of their quirks (ironically provided as a Claude skill for removing those quirks fro", "context": "", "use_case": "", "switched_from": "", "story": "Book Review: There Is No Antimemetics Division"}, {"id": 752235121, "item_id": 47014695, "url": "https://news.ycombinator.com/item?id=47014695", "by": "PaulHoule", "date": "2026-02-14", "version": null, "stance": "warn", "quote": "GPTZero thinks the paragraph is human written.", "excerpt": "It gets RHLFed into them. I have had arguments about it with GPT-based Copilot. I had to write a difficult paragraph and did go back and forth with it for advice but used at most a half-sentence from it, GPTZero thinks the paragraph is human written. I\u2019d tell it \u201cif I used that people would say that you wrote it\u201d and it would say that it thinks it writes better than most people.", "context": "", "use_case": "", "switched_from": "", "story": "Why High-Performers Restart Instead of Compound"}, {"id": 751051232, "item_id": 46940702, "url": "https://news.ycombinator.com/item?id=46940702", "by": "keyshapegeo99", "date": "2026-02-08", "version": null, "stance": "neutral", "quote": "paste any section after the \"Introduction\" section into https://gptzero.me/", "excerpt": "Obvious AI tells abound in the text and in the GitHub repo, which is clearly 100% vibe coded. There is absolutely minimal human authorship here. If you cannot see this, then I don't know what to tell you. Actually, I do. For the text of the paper, paste any section after the \"Introduction\" section into https://gptzero.me/", "context": "", "use_case": "", "switched_from": "", "story": "Shifts in U.S. Social Media Use, 2020\u20132024: Decline, Fragmentation, Polarization"}, {"id": 750501824, "item_id": 46906364, "url": "https://news.ycombinator.com/item?id=46906364", "by": "itisit", "date": "2026-02-05", "version": null, "stance": "recommend", "quote": "", "excerpt": "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.", "context": "", "use_case": "Detecting AI-written text", "switched_from": "", "story": "It's 2026, Just Use Postgres"}, {"id": 747576880, "item_id": 46723555, "url": "https://news.ycombinator.com/item?id=46723555", "by": "j2kun", "date": "2026-01-22", "version": null, "stance": "warn", "quote": "to amplify the author's product pitch", "excerpt": "I spot-checked one of the flagged papers (from Google, co-authored by a colleague of mine) The paper was https://openreview.net/forum?id=0ZnXGzLcOg and the problem flagged was \"Two authors are omitted and one (Kyle Richardson) is added. This paper was published at ICLR 2024.\" I.e., for one cited paper, the author list was off and the venue was wrong. And this citation was mentioned in the background section of the pa", "context": "", "use_case": "Detecting hallucinated citations", "switched_from": "", "story": "GPTZero finds 100 new hallucinations in NeurIPS 2025 accepted papers"}, {"id": 739048880, "item_id": 46190555, "url": "https://news.ycombinator.com/item?id=46190555", "by": "mike_hearn", "date": "2025-12-08", "version": null, "stance": "warn", "quote": "the GPTZero folks do make very strong claims based on nothing more than a URL scraper script", "excerpt": "There are other issues. In January they claimed that a US health report contained \"fabricated\" and \"AI generated\" citations with the headline being a claim from a Cigna Group report. Their claim it's fabricated is based on nothing more than the URL now being a redirect of the type common in corporate website reorgs. I did some checking and found the report does exist, but the citation is still not quite correct. Then", "context": "", "use_case": "", "switched_from": "", "story": "Over fifty new hallucinations in ICLR 2026 submissions"}, {"id": 739006192, "item_id": 46187887, "url": "https://news.ycombinator.com/item?id=46187887", "by": "lijenjin", "date": "2025-12-07", "version": null, "stance": "recommend", "quote": "Seems to do exactly what you're talking about.", "excerpt": "The linked article at the end says: \"First, using Hallucination Check together with GPTZero\u2019s AI Detector allows users to check for AI-generated text and suspicious citations at the same time, and even use one result to verify the other. Second, Hallucination Check greatly reduces the time and labor necessary to verify a document\u2019s sources by identifying flawed citations for a human to review.\" On their site (https:/", "context": "", "use_case": "Citation and AI-text checking", "switched_from": "", "story": "Over fifty new hallucinations in ICLR 2026 submissions"}, {"id": 738932688, "item_id": 46183293, "url": "https://news.ycombinator.com/item?id=46183293", "by": "simonw", "date": "2025-12-07", "version": null, "stance": "warn", "quote": "I'm finding the GPTZero share links difficult to understand", "excerpt": "I'm finding the GPTZero share links difficult to understand. Apparently this one shows a hallucinated citation but I couldn't understand what it was trying to tell me: https://app.gptzero.me/documents/9afb1d51-c5c8-48f2-9b75-250d95062521/share (I'm on mobile, haven't looked on desktop.)", "context": "", "use_case": "", "switched_from": "", "story": "Over fifty new hallucinations in ICLR 2026 submissions"}, {"id": 737430065, "item_id": 46089379, "url": "https://news.ycombinator.com/item?id=46089379", "by": "maxspero", "date": "2025-11-29", "version": null, "stance": "warn", "quote": "If your mental model of AI detectors is still GPTZero or the ones that say the declaration of independence is AI", "excerpt": "I am not sure if you are familiar with Pangram (co-founder here) but we are a group of research scientists who have made significant progress in this problem space. If your mental model of AI detectors is still GPTZero or the ones that say the declaration of independence is AI, then you probably haven't seen how much better they've gotten. This paper by economists from the University of Chicago economists found zero ", "context": "", "use_case": "", "switched_from": "", "story": "Major AI conference flooded with peer reviews written by AI"}]}