Provider incident title: “Intermittent error spikes for Claude Mythos 5.1 and Claude Fable 5.1”
Started
Tuesday, September 15, 2026
09:48 AM UTC
Duration
1h 26m
total
Resolved
11:14 AM UTC
Sep 15, 2026
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.
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.
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.
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.
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This incident was sourced from Claude's official Atlassian Statuspage. Tickerr ingests updates every 10 minutes to surface incidents as they are posted by the provider.
This incident lasted 1h 26m.
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