Major incident

Anthropic (Claude): Elevated errors for Claude Opus 5.5

Oct 24, 2026, 00:31 UTC

started

00:37 UTC

resolved

6 min

duration

Affected: claude.ai, Claude API (api.anthropic.com), Claude Code, Claude Cowork

Current status of Anthropic (Claude): Operational — live Anthropic (Claude) status

Timeline

Oct 24, 2026, 00:31 UTC
investigating
We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible.
Oct 24, 2026, 00:37 UTC
resolved
The issue affecting Claude Opus 5.5 has been resolved. Impact occurred from 17:23 PT on October 23 / 00:23 UTC on October 24 to 17:34 PT on October 23 / 00:34 UTC on October 24.

Updates as published by Anthropic (Claude) (original).

This was part of a wider event: 109 services reported incidents within the hour.

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