Resolved incident

Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1

Anthropic · Major · Started

Duration
1h 26m
Severity
Major
Status
Resolved

Summary

Major · Resolved

A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring to ensure it has resolved the issue.

View official incident ↗

Event timeline

How this incident unfolded, from the official status page.

  1. Investigating

    Anthropic

    We are investigating elevated errors on requests to Claude Mythos 5.1 and Claude Fable 5.1. We will provide an update as soon as possible.

  2. Investigating

    Anthropic

    We are investigating elevated errors on requests to Claude Mythos 5.1 and Claude Fable 5.1. We will provide an update as soon as possible.

  3. Monitoring

    Anthropic

    A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring to ensure it has resolved the issue.

  4. Resolved

    Anthropic

    A fix has been deployed for Claude Mythos 5.1 and Claude Fable 5.1 and we are monitoring to ensure it has resolved the issue.