Resolved after 18 minutes, affecting claude.ai and Claude API (api.anthropic.com) and 1 more, on October 6, 2026.
We have identified the cause of elevated errors on requests to Claude Opus 5.5 and are working on a fix. We will provide an update as soon as possible.
Affected components
claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Update timeline
- investigating Oct 06, 2026, 12:24 PM UTC
We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible.
- identified Oct 06, 2026, 12:37 PM UTC
We have identified the cause of elevated errors on requests to Claude Opus 5.5 and are working on a fix. We will provide an update as soon as possible.
- resolved Oct 06, 2026, 12:43 PM UTC
The issue affecting Claude Opus 5.5 has been resolved.
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