Error spike across all Claude models—investigation ongoing. Production users should monitor closely.
Elevated errors across Claude Models under investigation
Original: Elevated errors across Claude Models
Importance: 本番環境のAPI利用者に直接的かつ即座の影響を与える障害報告。
Summary
Anthropic reported elevated error rates across all Claude models as of May 8, 2026 09:49 UTC and is currently investigating. No cause or estimated resolution time has been disclosed. API users and Claude.ai customers should monitor status updates for further details.
Key Points
- Error rates elevated across all Claude models
- Root cause and resolution timeline not disclosed, investigation underway
- Status page updates to follow
View developer notes (APIs, breaking changes, migration)
Error rates elevated across all Claude API endpoints and Claude.ai, investigation ongoing as of 2026-05-08 09:49 UTC. Affected models presumed to include Claude 3 Haiku, Sonnet, Opus across all versions. Developers relying on Claude API in production should implement retry logic reinforcement and prepare fallback mechanisms. No ETA provided; continuous monitoring of status.claude.com required. Root cause, scope, and resolution timeline not yet disclosed.
Source: https://status.claude.com/incidents/378dqscjgghp
Outlet: Anthropic Status
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