public archive for AI hallucinations & reasoning failures
MaskLLM is a community-maintained archive of documented AI failure modes—hallucinations, reasoning collapses, sycophantic reversals, jailbreaks, and more. Submissions are structured and published as a public dataset on HuggingFace, designed for interpretability researchers and red teams. All entries require a reproducible prompt, the model's response, and a failure classification.
| Type | Tool |
| Section | AI Metrics and Evaluation |
| Site language | en |
| Launched | 2025-08-12 |