Elevated errors for Claude Mythos 5.1 and Claude Fable 5.1

Sep 11, 14:21 UTC
Identified - We have identified the cause of elevated errors on requests to Claude Mythos 5.1 and Claude Fable 5.1 and are working on a fix. We will provide an update as soon as possible.

Sep 11, 14:19 UTC
Investigating - We are investigating elevated errors on requests to Claude Fable 5.1 and Claude Mythos 5.1. We will provide an update as soon as possible.

via Claude Status - Incident History