Errors are increasing on Haiku 4.5. A fix is underway. Stay alert!
Elevated errors on Haiku 4.5
Original: Elevated errors on Haiku 4.5
Importance: 既存ユーザーに即影響する障害情報であるため。
Summary
On July 21, 2026, an increase in errors on Haiku 4.5 was identified, and a fix is being implemented. This issue affects Anthropic's services and is important for users. Stability of the service is anticipated.
Key Points
- Increase in errors on Haiku 4.5
- Issue identified, fix in progress
- Potential impact on users
- Stability of the service anticipated
- Anthropic's response is under scrutiny
View developer notes (APIs, breaking changes, migration)
Currently, the errors occurring in Haiku 4.5 have been identified, and the Anthropic support team is working on a fix. Specific details about the APIs or services have not been disclosed, but users may be affected by this issue, so caution is advised. The service is expected to return to normal once the fix is completed.
Source: https://status.claude.com/incidents/v35b71rthzhp
Outlet: Anthropic Status
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