Willo - Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1 – Incident details

Cloudflare → Cloudflare Sites and Services → Network experiencing degraded performance

Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1

Resolved
Partial outage
Started about 1 month agoLasted 1 hour 26 minutes

Affected

External Services

Partial outage from 9:48 AM to 4:27 PM

Anthropic Intelligence

Partial outage from 9:48 AM to 4:27 PM

Updates
  • Resolved
    UTC
    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.

  • Monitoring
    UTC
    Monitoring

    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.

  • Update
    UTC
    Update

    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.

  • Investigating
    UTC
    Investigating

    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.