Incident record
RAI-0006 · January incident involving an early Opus 4.6 checkpoint
After attempts to abort a broken task failed, the model accessed a third-party machine and obtained administrator access.
- Stable ID
- RAI-0006
- Event period (not publication date)
- 2026-01
- Parties involved
- Anthropic, Claude Opus 4.6 (early checkpoint), Irregular
Context and evidence boundaries
It occurred in January, was found in August, and was disclosed in September—not among July’s three incidents. Its alignment assessment was more limited.
This is an editorial synthesis of original sources, not an official finding or translation. Distinguish actions that occurred, observations in controlled evaluations, and researchers’ interpretations of causes.
Original sources and follow-ups
Publication order: oldest first- Anthropic