Degraded performance of multiple models

Event timeline

How this incident unfolded, from the official status page.

1. Identified

   3 months ago

   Anthropic

   We have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, and Claude Opus 5, Claude Sonnet 5 and are working on a fix. We will provide an update as soon as possible.

2. Identified

   3 months ago

   Anthropic

   We are continuing to work on a fix for this issue.

3. Monitoring

   3 months ago

   Anthropic

   A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

4. Resolved

   3 months ago

   Anthropic

   This incident has been resolved.