Incidentsby GlyphElevated errors for Claude Sonnet 5.5 and other models
Oct 25, 06:14 UTCOct 25, 07:53 UTC
Duration
1h 39m
Impact
Major
Root cause
Not disclosed
Anthropic, 90 days
55 incidents
Affected
claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Final update
The issue affecting Claude services has been resolved. Impact occurred from 23:05 PT on October 24 / 06:05 UTC on October 25 to 23:35 PT on October 24 / 06:35 UTC on October 25.
Timeline
- Resolved · Oct 25, 07:53 UTC
The issue affecting Claude services has been resolved. Impact occurred from 23:05 PT on October 24 / 06:05 UTC on October 25 to 23:35 PT on October 24 / 06:35 UTC on October 25.
- Monitoring · Oct 25, 06:35 UTC
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.
- Identified · Oct 25, 06:27 UTC
We have identified the cause of elevated errors on requests to Claude Sonnet 5.5 and are working on a fix. We will provide an update as soon as possible.
- Investigating · Oct 25, 06:14 UTC
We are investigating elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, Claude Opus 5.5, Claude Sonnet 5.5, and Claude Haiku 5.5. We will provide an update as soon as possible.
More from Anthropic
Full historyElevated errors for Claude Fable 5.1lasted 32mElevated errors for Claude Fable 5 and Claude Fable 5.1lasted 37mElevated errors for Claude Opus 5.5lasted 6mElevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5lasted 34mElevated errors affecting Connectorslasted 4h 17mDegraded performance for Claude Fable 5lasted 40m