Elevated errors for Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5
Aug 13, 14:33 UTCAug 13, 16:08 UTC
Duration
1h 35m
Impact
Major
Root cause
Not disclosed
Anthropic, 90 days
94 incidents
Affected
claude.aiClaude API (api.anthropic.com)Claude CodeClaude Cowork
Final update
The issue affecting Claude Mythos 5 and Claude Fable 5 has been resolved.
Timeline
- Resolved · Aug 13, 16:08 UTC
The issue affecting Claude Mythos 5 and Claude Fable 5 has been resolved.
- Investigating · Aug 13, 15:44 UTC
We are investigating elevated errors on requests to Claude Mythos 5 and Claude Fable 5. We will provide an update as soon as possible.
- Investigating · Aug 13, 14:33 UTC
We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, and Claude Sonnet 5. We will provide an update as soon as possible.
More from Anthropic
Full history| Started | Incident | Impact | Duration |
|---|---|---|---|
| Sep 2200:57 UTC | Elevated errors for multiple models | major | 1h 38m |
| Sep 1616:18 UTC | Issues with Google Play subscriptions | none | 33m |
| Sep 1509:48 UTC | Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1 | major | 1h 26m |
| Sep 1114:19 UTC | Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1 | major | 17m |
| Sep 1021:43 UTC | Elevated latency on the Claude API for some users | minor | 1h 41m |
| Sep 1015:54 UTC | Degraded functionality for Claude Cowork on Windows | major | 4d 3h |
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