Anthropic incident
Elevated errors on Claude Opus 4.8 (Fast Mode)
Anthropic experienced a minor incident on June 9, 2026 affecting claude.ai and Claude API (api.anthropic.com) and 1 more component, lasting 29m. The incident has been resolved; the full update timeline is below.
Affected components
claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Update timeline
- investigating Jun 09, 2026, 03:13 AM UTC
We are currently investigating this issue.
- 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.