Anthropic incident

Elevated errors on Claude Opus 4.8 (Fast Mode)

Resolved after 29 minutes, affecting claude.ai and Claude API (api.anthropic.com) and 1 more, on June 9, 2026.

resolved Jun 09, 2026, 03:42 AM UTC

This issue has been resolved. Claude Opus 4.8 (Fast Mode) saw elevated errors from 7:50 PM PT / 02:50 UTC to 8:30 PM PT / 03:30 UTC.

Started
Jun 09, 2026, 03:13 AM UTC
Resolved
Jun 09, 2026, 03:42 AM UTC
Duration
29m
Detected by Pingoru
Jun 09, 2026, 03:13 AM UTC

Affected components

claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork

Update timeline

  1. investigating Jun 09, 2026, 03:13 AM UTC

    We are currently investigating this issue.

  2. resolved Jun 09, 2026, 03:42 AM UTC

    This issue has been resolved. Claude Opus 4.8 (Fast Mode) saw elevated errors from 7:50 PM PT / 02:50 UTC to 8:30 PM PT / 03:30 UTC.

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