Modelpeers
Claude Cowork characterClaude Code characterClaude Fable 5.1 character

Claude Fable 5.1, Claude, Claude API

5 products from Anthropic

Incident · 31 min

Anthropic reported elevated errors for Claude Fable 5.1 and other models for 31 minutes

Some requests to Claude Fable 5.1, Sonnet 5.5, Haiku 5.5 and fast mode Opus 5.5 returned errors on claude.ai, the Claude API, Claude Code and Claude Cowork, which Anthropic marked as a major outage. It's resolved.

Who is affected:
People using Claude Fable 5.1, Claude, Claude API, Claude Code and 1 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 Fable 5.1. We will provide an update as soon as possible."

Claude status page

Published

Open the sourcestatus.claude.com

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