Elevated errors for multiple models
- Update An exhaustive list of affected models: Mythos/Fable 5.1, Mythos/Fable 5, Opus 5, Opus 4.8, Opus 4.6.
- Posted Sep 03, 2026 - 13:50 UTC Identified We have identified the cause of elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and are working on a fix.
- We will provide an update as soon as possible.
Unverified
- Update An exhaustive list of affected models: Mythos/Fable 5.1, Mythos/Fable 5, Opus 5, Opus 4.8, Opus 4.6.
- Posted Sep 03, 2026 - 13:50 UTC Identified We have identified the cause of elevated errors on requests to Claude Mythos 5.1, Claude Fable 5.1, and Claude Opus 5 and are working on a fix.
- We will provide an update as soon as possible.
Sources: Claude