Errors reported on Claude Opus 4.6; fixes are underway. Users should stay alert.
Notice of Elevated Errors on Claude Opus 4.6
Original: Elevated errors on Claude Opus 4.6
Importance: ユーザー体験に直接影響を与える障害情報であるため。
Summary
On June 11, 2026, an increase in errors was reported on Claude Opus 4.6, with ongoing investigations. The issue was identified at 14:37 UTC, and a fix was implemented. Results are currently being monitored. This issue could potentially affect user experience, warranting attention.
Key Points
- Increase in errors on Claude Opus 4.6
- Issue identified and fix implemented
- Results are currently being monitored
- Potential impact on user experience
- Attention required in this situation
View developer notes (APIs, breaking changes, migration)
Currently, an increase in errors has been reported on Claude Opus 4.6. The issue was identified at 14:37 UTC on June 11, and a fix was implemented. Monitoring continues to ensure system stability post-fix. Developers should consider measures if affected by errors. Specific API changes or impacted functionalities have not been disclosed, but improvements are anticipated based on user feedback.
Source: https://status.claude.com/incidents/sp7cf0cghqsk
Outlet: Anthropic Status
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