Degraded performance for Claude Mythos 5, Claude Fable 5, and Claude Opus 5
We have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, and Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.
Ongoing for 11h and 16m
- Incident ID
- #010ca0a5
- Impact
- minor
- Components
- anthropic
Updates
-
identified Aug 5, 2026, 3:05 PM GMT+08:00
We have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, and Claude Opus 5 and are working on a fix. We will provide an update as soon as possible.