Errors affecting Claude models, especially Opus 4.7.
Identified degraded performance for multiple Claude models
Original: Degraded performance for multiple models
Importance: ユーザーのリクエストに直接影響を及ぼす重大な障害。
Summary
On June 7, 2026, Anthropic announced it has identified issues causing increased errors on requests to several Claude models, particularly Claude Opus 4.7. They are currently working to resolve these issues, which could impact user experience significantly.
Key Points
- Errors occurring across multiple Claude models
- Particularly affecting Claude Opus 4.7
- Cause identified and resolution in progress
- Impacting user experience significantly
- Prompt response is essential
View developer notes (APIs, breaking changes, migration)
Currently, requests to Claude Opus 4.7 are experiencing elevated error rates. The engineering team has identified the root cause and is working on fixes. Multiple models are affected, and stability is crucial for SaaS operators, necessitating prompt resolution. Specific API names and error messages have not been disclosed yet, but understanding the impact scope is essential.
Source: https://status.claude.com/incidents/s4pq658bt69h
Outlet: Anthropic Status
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