Incidentsby GlyphDegraded performance for multiple models
Aug 18, 16:20 UTCAug 18, 19:01 UTC
Duration
2h 41m
Impact
Minor
Root cause
Not disclosed
Anthropic, 90 days
49 incidents
Affected
claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Final update
The issue affecting Claude Opus 5 has been resolved. Impact occurred from 16:11 to 18:23 UTC.
Timeline
- Resolved · Aug 18, 19:01 UTC
The issue affecting Claude Opus 5 has been resolved. Impact occurred from 16:11 to 18:23 UTC.
- Monitoring · Aug 18, 18:26 UTC
A fix has been implemented and we are monitoring the results.
- Investigating · Aug 18, 17:12 UTC
We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.
- Investigating · Aug 18, 16:20 UTC
We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. We will provide an update as soon as possible.
- Investigating · Aug 18, 16:20 UTC
We are investigating reports of degraded performance affecting multiple models. We will provide an update as soon as possible.
More from Anthropic
Full historyDegraded performance for Claude Fable 5.1lasted 26mElevated errors affecting the Google Calendar connectorlasted 3h 46mElevated errors affecting the Gmail connectorlasted 1h 49mElevated errors for Claude Sonnet 5.5lasted 41mElevated errors for Claude Sonnet 5.5lasted 42mElevated errors for Claude Fable 5.1lasted 32m