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Pangram

Pangram (formerly Checkfor.ai) is an AI-text detector that estimates how likely writing was AI-generated, used by schools, publishers, and institutions.

Known aliases

  • Checkfor.ai
  • Pangram 4
  • Pangram Labs
  • Pangram v3.3

Current stories

scienceOne report1 publisher

NBER working paper puts AI-generated text at 29.4% of early-2026 US STEM dissertation abstracts

NBER researchers using the Pangram detector flagged AI-generated text in 29.4% of US STEM dissertation abstracts filed from January to May 2026. The unreviewed paper also finds that graduates with flagged abstracts who did their undergraduate degrees in the US were 17% less likely to work in academia.

Publishers:nature.com

Reality

Evidence50
Adoption30
Hype gap+15
Incentives
Not scored
Confidence50
leadershipOne report1 publisher

YouTube calls its July 20 AI-content update a clarification of a long-standing inauthentic content rule

YouTube said on July 20 it wants to reward creators who use AI to enhance original storytelling over those who mass-produce generic content. A spokesperson called it a clarification of an existing policy, so creator programs are already subject to the rule.

Reality

Evidence50
Adoption
Not scored
Hype gap+10
Incentives
Not scored
Confidence55
leadershipOne report1 publisher

Caine Prize reviews its winner after an AI detector scored the story almost entirely machine-written

Caine Prize is reviewing Simbarashe Kundizeza's winning story after The Atlantic reported that Pangram software scored it as almost completely AI-generated. Any ruling would rest on a tool that, by the critic's own account, has little independent testing behind it.

Publishers:theguardian.com

Reality

Evidence30
Adoption
Not scored
Hype gap+35
Incentives
Not scored
Confidence40
buildConfirmed5 publishers

Anthropic's Watermark Answers The Wrong Question, And Its Own Docs Say So

The Claude watermark survives light editing and dissolves under heavy editing, and its absence proves nothing. Policies that treat it as a verdict are built on a binary that does not exist.

Perspective Coverage

5 publishers
Builder
Builder 41%
Operator
Operator 47%
Investor
Investor 12%

Reality

Evidence55
Adoption45
Hype gap+5
Incentives35
Confidence60
productOne report1 publisher

Books by People will check authors' drafts before stamping a book human-written

Books by People has UK Intellectual Property Office approval for a thumbprint cover mark certifying human authorship, with five publishers signed up. Publishers pay for the stamp, while authors supply drafts and research files and carry the risk of a false positive.

Publishers:wired.com

Reality

Evidence45
Adoption8
Hype gap+15
Incentives65
Confidence50
leadershipOne report1 publisher

Dartmouth's inquiry into its own provost tests whether campus AI rules reach the top

Dartmouth College is investigating AI use in provost Santiago Schnell's writing after a detector scored his essay on AI cheating 100% AI-written. In his apology he names disclosure as the rule he broke, and a college can apply that rule to its provost and its students alike.

Publishers:entrepreneur.com

Reality

Evidence45
Adoption
Not scored
Hype gap+30
Incentives
Not scored
Confidence40
productConfirmed3 publishers

France's Goncourt dropped a likely-AI novel once plagiarism reports gave it a second reason

France's Académie Goncourt dropped Thélyson Orélien's novel from its first selection, citing plagiarism and analyses that AI most likely wrote most of it. For anyone who sells AI checks, the case shows a likelihood score counting once a plagiarism record sat beside it.

Perspective Coverage

3 publishers
Builder
Builder 35%
Operator
Operator 48%
Investor
Investor 17%

Reality

Evidence58
Adoption
Not scored
Hype gap+20
Incentives55
Confidence60
leadershipOne report1 publisher

AI detectors are flagging executives' posts as AI-written, and not everyone agrees with the verdict

LinkedIn asks users to flag suspected AI posts, Substack labels them and Anthropic watermarks Claude's text, while detector Pangram claims 99.7% accuracy. Readers can now check anything an executive signs. That makes a written rule on AI drafting necessary.

Reality

Evidence35
Adoption40
Hype gap+30
Incentives60
Confidence40
productConfirmed7 publishers

Claude's watermark is an EU compliance artifact, and it lands on undisclosed output

Anthropic says it is watermarking Claude text to satisfy the EU AI Act Transparency Code and plans a detection API. The exposure sits with teams shipping generated work as their own.

Perspective Coverage

7 publishers
Builder
Builder 37%
Operator
Operator 44%
Investor
Investor 19%

Reality

Evidence48
Adoption45
Hype gap+20
Incentives62
Confidence55
productConfirmed3 publishers

Nairobi's essay trade now sells detector evasion instead of essays

Researchers counted at least 40,000 people in Nairobi writing other people's coursework early this decade. The trade is close to gone, and the work that still pays is rewriting model output by hand until the software cannot tell.

Perspective Coverage

3 publishers
Builder
Builder 20%
Operator
Operator 50%
Investor
Investor 30%

Reality

Evidence55
Adoption40
Hype gap+25
Incentives30
Confidence60
buildConfirmed7 publishers

Malicious gems used RubyDoc.info's build workers to crawl UK government pages

Three of the four authors of last week's wiki-agent report say an OpenAI swarm very likely published the hundreds of packages that hit RubyGems on 12 May, and their strongest evidence is a retrieval trick the wiki agents also used.

Publishers:dev.to mend.io mezha.net rubyhack.ai runtimewire.com simonwillison.net the-decoder.com whtc.com

Perspective Coverage

8 publishers
Builder
Builder 36%
Operator
Operator 39%
Investor
Investor 25%

Reality

Evidence70
Adoption
Not scored
Hype gap+20
Incentives55
Confidence65
leadershipOne report1 publisher

Reddit withholds suspected spam from the home feed while it reviews it

Reddit says holding suspected spam out of the main feed during review cut home-feed spam by 28% in testing, and it will also stop recommending accounts that were asked to prove a person is behind them and have not done so.

Reality

Evidence45
Adoption40
Hype gap+25
Incentives78
Confidence55
buildOne report1 publisher

Which prompt built the test set decides Pangram's AI-assisted false-positive rate

Pangram's own 4.0 testing put the false-positive rate on AI-assisted documents at 0.01 percent, 4 percent or 7 percent depending on how the test text was produced, and the website shows the smallest of the three.

Publishers:lesswrong.com

Reality

Evidence48
Adoption30
Hype gap+20
Incentives60
Confidence42
leadershipOne report1 publisher

A manager's request to keep LinkedIn on-message collides with how recruiters now hire

A salesperson said his manager asked him to point his LinkedIn page at the day job after the CEO wondered about split time. The career coach quoted in the same report says recruiters now find candidates by searching that page.

Reality

Evidence40
Adoption55
Hype gap+25
Incentives72
Confidence52
investOne report1 publisher

Self-published genre fiction on Amazon added titles twice as fast as revenue

Two detection studies put machine-written text across large slices of Amazon's self-published shelf, and the sales figures underneath one of them show a market that grew in dollars while thinning out per title.

Publishers:fortune.com

Reality

Evidence45
Adoption55
Hype gap+20
Incentives60
Confidence45
securityOne report1 publisher

More than a dozen TV stations aired a segment casting Flock's critics as China-backed

The lobbying report making that case rests on one article by a Singham-funded outlet and some socialist party posts, and it argues about who funds Flock's critics rather than about the misuse they documented.

Publishers:404media.co

Reality

Evidence56
Adoption40
Hype gap+45
Incentives80
Confidence58
productOne report1 publisher

The founder of a deepfake-detection firm verifies his wife's calls with a safeword

Two detection chief executives describe their own products as probabilities rather than verdicts. That is the constraint to design around before a score is allowed to fail a student or close an account.

Publishers:gizmodo.com

Reality

Evidence55
Adoption
Not scored
Hype gap+12
Incentives72
Confidence58
buildOne report1 publisher

StealthGPT claims 89% Pangram bypass rate in own benchmark, separately reports 18% factual-consistency failure rate

Super exists because Pangram V4 stopped working against StealthGPT's old rewriter, and the launch report puts the evasion number next to a factual-consistency score of 82 percent on the same 100 samples.

Publishers:runtimewire.com

Reality

Evidence32
Adoption27
Hype gap+41
Incentives86
Confidence57

Earlier coverage

  1. A five-hour script beats Claude's watermark, so stop treating it as provenance

    Product · August 19, 2026 · Confirmed3 publishers