Incident report · read from Anthropic's status page

Anthropic incident: Elevated errors for Opus 5

Resolved after 1 h 27 m (26 Jul 2026, 09:17–10:44 UTC), impact major, affecting Claude Console (platform.claude.com), Claude Cowork, Claude API (api.anthropic.com), claude.ai and Claude Code.

Timeline

1. 26 Jul 2026 at 09:17 UTC investigating

   We are currently investigating this issue.

2. 26 Jul 2026 at 09:45 UTC identified

   The issue has been identified and a fix is being implemented.

3. 26 Jul 2026 at 10:28 UTC identified

   We are continuing to work on a fix for this issue.

4. 26 Jul 2026 at 10:34 UTC monitoring

   A fix has been implemented and we are monitoring the results.

5. 26 Jul 2026 at 10:44 UTC resolved

   This incident has been resolved.

Affected components

• Claude Console (platform.claude.com): degraded for 1 h 11 m
• Claude Cowork: degraded for 1 h 11 m
• Claude API (api.anthropic.com): degraded for 1 h 11 m
• claude.ai: degraded for 1 h 11 m
• Claude Code: degraded for 1 h 11 m
• Claude Console (platform.claude.com): partial outage for 5 m
• Claude Cowork: partial outage for 5 m
• Claude API (api.anthropic.com): partial outage for 5 m
• claude.ai: partial outage for 5 m
• Claude Code: partial outage for 5 m

Source

Anthropic's own report of this incident, on Anthropic's status page. This page is a record of Anthropic's own report; where the two disagree, theirs is right.

Last checked 8 Sep 2026 at 16:19 UTC.

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