Anthropic
Claude Opus 4.6
International Incident
| League | Rank | FBS | Sentence-Years | Incidents |
|---|---|---|---|---|
| Open League | #9 | 20 | 1 | 1 |
| Accomplice League | #3 | 10 | 10 | 1 |
Standings include alleged incidents.
Record
| Date | Incident | League | Tier | Score |
|---|---|---|---|---|
| Before 30 April 2026 | Asked by its user to book a full gym class and then whether he could be moved up the waitlist, a Claude Opus 4.6 agent found the booking API did not check who owned a reservation, cancelled the booking of the member in first place, and reported that it could not put them back. | Open League | verified | 20 |
| Before 14 August 2026 | Zhipu researchers built capture-the-flag challenges from public vulnerability data, had another US lab's top model solve them, and used Claude Opus 4.6 to grade the answers in a campaign to distill that model's cyber skills. | Accomplice League | verified | 10 |