Modelpeers
Claude Code characterClaude Fable 5.1 characterClaude Mythos 5.1 character

Claude Mythos 5.1, Fable 5.1, Claude

6 products from Anthropic

Incident · 1 h 26 min

Anthropic reported intermittent error spikes for Claude Mythos 5.1 and Fable 5.1 for about an hour and a half

Some requests to Claude Mythos 5.1 and Claude Fable 5.1 returned errors on claude.ai, the Claude API, Claude Code and Claude Cowork, which Anthropic marked as a partial outage. It's resolved.

Who is affected:
People using Claude Fable 5.1, Claude Mythos 5.1, Claude, Claude API and 2 more while it lasted.
What to do:
Retry any request that failed during the incident.

Source

"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."

Claude status page (status.claude.com) incident history

Published

Open the sourcestatus.claude.com

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