Incidentsby IbisElevated errors for Claude Opus 5.5
Oct 6, 12:24 UTCOct 6, 12:43 UTC
Duration
19m
Impact
Major
Root cause
Not disclosed
Anthropic, 90 days
83 incidents
Affected
claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Final update
The issue affecting Claude Opus 5.5 has been resolved.
Timeline
- Resolved · Oct 6, 12:43 UTC
The issue affecting Claude Opus 5.5 has been resolved.
- Identified · Oct 6, 12:37 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.
- Investigating · Oct 6, 12:24 UTC
We are investigating elevated errors on requests to Claude Opus 5.5. We will provide an update as soon as possible.
More from Anthropic
Full history| Started | Incident | Impact | Duration |
|---|---|---|---|
| Oct 701:20 UTCtoday | Elevated errors loading usage data on platform.claude.com | major | 1h 13m |
| Oct 513:05 UTC2 days ago | Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1 | major | 16m |
| Oct 116:20 UTC6 days ago | Delayed credits on the Claude Platform | minor | 6h 16m |
| Sep 2914:21 UTC8 days ago | Elevated errors on claude.ai, Claude Code, Claude Cowork and the Claude API | major | 2h 6m |
| Sep 2200:57 UTC2 weeks ago | Elevated errors for multiple models | major | 1h 38m |
| Sep 1616:18 UTC3 weeks ago | Issues with Google Play subscriptions | none | 33m |