Anthropic reported elevated errors for Claude Fable 5.1 and Mythos 5.1 for 18 minutes
Some requests to Claude Fable 5.1 and Claude Mythos 5.1 failed on claude.ai, the Claude API, Claude Code and Claude Cowork, which Anthropic marked as a partial outage. It's resolved.
Source
"The issue affecting Claude services has been resolved. Impact occurred from 13:57 to 14:20 UTC"
Published