Errors on Opus 4.6 resolved, service is back to normal!
Increased Errors on Opus 4.6 Resolved
Original: Elevated errors on Opus 4.6
Importance: サービスのエラー増加は一定の影響を及ぼす可能性があるため。
Summary
On April 19, 2026, reports of increased errors on Opus 4.6 surfaced. However, the issue was resolved on April 20, restoring normal service. There may have been some impact during the incident, but the situation is back to normal now.
Key Points
- Errors were reported on April 19
- The issue was resolved on April 20
- Service has returned to normal
View developer notes (APIs, breaking changes, migration)
An incident regarding increased error rates on Opus 4.6 was reported on April 19, 2026. The investigation led to resolution by April 20, though no specific technical details or API parameters were provided.
Source: https://status.claude.com/incidents/34yy5hskyw2v
Outlet: Anthropic Status
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