ChatZero model on Hugging Face
The ONNX model used by the checker, with its files and model card.
Original Fakespot modelThe original model lineage that the browser-ready detector is based on.
Transformers.js documentationThe browser machine-learning library that loads and runs the classifier locally.
RAID benchmarkA benchmark designed to evaluate AI-generated text detectors across models, domains, and attacks.
OpenAI retires its AI classifierOpenAI's July 2023 note explaining that its classifier was removed because of its low accuracy.
Why we emphasize limitations
Benchmarks and real-world withdrawals show that detector performance varies by model, writing type, length, and editing. That is why we expose passage-level results and explicitly advise against using them as proof.