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 · 30 min

Anthropic reported elevated errors for Claude Mythos 5.1 and Fable 5.1 for 30 minutes

Some requests to Claude Mythos 5.1 and Claude Fable 5.1 failed 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

"The issue affecting Claude Mythos 5.1 and Claude Fable 5.1 has been resolved. Impact occurred from 05:40 PT / 12:40 UTC to 06:10 PT / 13:10 UTC."

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

Published

Open the sourcestatus.claude.com

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