Independent reporting, explainers and lab tests on AI humanizers, AI detectors, and the people caught in between.https://www.detectionguide.com/en-ushttps://www.detectionguide.com/articles/em-dash-panic/https://www.detectionguide.com/articles/em-dash-panic/Somewhere along the way, a punctuation mark older than the typewriter became “proof” of ChatGPT. It’s time to call off the witch hunt.Fri, 02 Oct 2026 08:30:00 GMTOpinionem-dashstyleai-tellshttps://www.detectionguide.com/articles/perplexity-burstiness-explained/https://www.detectionguide.com/articles/perplexity-burstiness-explained/Every AI detector claims to see something in your writing. Here is what they are actually measuring — and why it was never a fingerprint to begin with.Thu, 01 Oct 2026 14:20:00 GMTDetectorsperplexityburstinesshow-it-workshttps://www.detectionguide.com/articles/falsely-accused-of-using-ai/https://www.detectionguide.com/articles/falsely-accused-of-using-ai/A calm, practical guide for students who wrote their own work and got flagged anyway — from gathering evidence to asking the right questions.Wed, 30 Sep 2026 07:45:00 GMTClassroomstudentsacademic-integrityfalse-positivesguidehttps://www.detectionguide.com/articles/false-positives-constitution/https://www.detectionguide.com/articles/false-positives-constitution/False positives aren’t a rounding error in AI detection. They are the predictable result of how detectors work — and the people they land on are not random.Tue, 29 Sep 2026 11:05:00 GMTDetectorsfalse-positivesnon-native-writersbiashttps://www.detectionguide.com/articles/inside-the-humanizer-economy/https://www.detectionguide.com/articles/inside-the-humanizer-economy/Word limits, “undetectable” guarantees and comparison pages written by the vendors themselves. A tour of the business built on beating the detectors.Sun, 27 Sep 2026 09:40:00 GMTHumanizersbusinessmarketingbypasshttps://www.detectionguide.com/articles/turn-off-the-detectors/https://www.detectionguide.com/articles/turn-off-the-detectors/Some already have. The case for retiring AI detection in classrooms isn’t that cheating doesn’t matter — it’s that the tools make the wrong mistakes.Sat, 26 Sep 2026 12:00:00 GMTOpinionuniversitiespolicyturnitinhttps://www.detectionguide.com/articles/what-humanizers-do-to-sentences/https://www.detectionguide.com/articles/what-humanizers-do-to-sentences/Synonym swaps, sentence surgery, planted typos and invisible characters. A teardown of the techniques humanizers use, and what they cost the writing.Thu, 24 Sep 2026 15:10:00 GMTHumanizersparaphrasingtortured-phraseshow-it-workshttps://www.detectionguide.com/articles/watermarks-were-supposed-to-settle-this/https://www.detectionguide.com/articles/watermarks-were-supposed-to-settle-this/Hide a statistical signature in every sentence a model writes, and detection becomes math instead of guesswork. So why hasn’t it ended the argument?Tue, 22 Sep 2026 10:00:00 GMTDetectorswatermarkingsynthidresearchhttps://www.detectionguide.com/articles/syllabus-clause-wars/https://www.detectionguide.com/articles/syllabus-clause-wars/Total bans, open doors and traffic lights: how course AI policies are being written in real time, and why students keep getting caught between them.Sun, 20 Sep 2026 09:15:00 GMTClassroompolicysyllabusteachershttps://www.detectionguide.com/articles/how-we-test/https://www.detectionguide.com/articles/how-we-test/Corpora, thresholds, blind readers and the numbers we refuse to publish without context. The DetectionGuide testing protocol, in full.Fri, 18 Sep 2026 13:00:00 GMTLabmethodologytestingtransparencyhttps://www.detectionguide.com/articles/openai-classifier-shutdown/https://www.detectionguide.com/articles/openai-classifier-shutdown/In 2023, the company behind ChatGPT released its own AI text classifier. Six months later it was gone, citing a “low rate of accuracy.” The lesson still hasn’t sunk in.Tue, 15 Sep 2026 16:30:00 GMTDetectorsopenaihistoryaccuracy