Opus 4.8 experiencing elevated errors; fix in progress. Prod users should monitor closely.
Elevated errors on Claude Opus 4.8 — issue identified, fix in progress
Original: Elevated errors on Claude Opus 4.8
Importance: 本番環境の API コール失敗率上昇で、既存ユーザーサービスに直接的な影響を及ぼす障害
Summary
On July 2, Anthropic identified elevated error rates on Claude Opus 4.8. Investigation began at 00:38 UTC; by 00:58 UTC the issue was identified and a fix is being implemented. No detailed impact specifics or ETA disclosed on the status page.
Key Points
- Elevated errors detected on Claude Opus 4.8, investigation started July 2
- Root cause identified by 00:58 UTC, fix implementation underway
- Detailed impact scope and ETA not yet disclosed
View developer notes (APIs, breaking changes, migration)
Developers using Claude Opus 4.8 may experience elevated API failure rates during this incident. Specific error codes (429, 500-series), rate limit details, and affected endpoints (/v1/messages, etc.) are not disclosed on the status page. Fix is in progress; recommend hardening retry logic and exponential backoff. Consider strengthening production traffic monitoring and worker-thread alerting.
Source: https://status.claude.com/incidents/lcccgkzvj2yx
Outlet: Anthropic Status
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