Authors Guild Test: Some AI Detectors Perfectly Identify Human Writing, Others Miss Completely
Decision Brief
What changedThe Authors Guild tested five AI detectors, finding Pangram and Grammarly correctly identified all human texts, while Sidekicker and ZeroGPT misclassified human articles as AI-generated.
Why it mattersThis test reveals significant performance differences among AI detectors, cautioning AI builders to be careful when relying on these tools.
Who should careAI coding tool users
Affected stackNo specific stack identified
Builder actionMonitor
Source confidenceMedium · Reliable media or first-hand reporting
The Authors Guild tested five AI detectors on human-written text. Results showed Pangram and Grammarly perfectly recognized all human articles, while Sidekicker and ZeroGPT misjudged all as AI-generated. The Guild also highlighted a paradox: professionally written text, due to language models being trained on similar content, statistically resembles AI output.
Summary basis: official / RSS sourceUnless it says 'full article read', this summary is based only on publicly available content — it never pretends to have read restricted originals.
Sources
- The Decoder：AI News
- The Decoder：AI News