Modelpeers
Claude Cowork characterClaude Code character

Claude Sonnet 5, Haiku 4.5, Fable 5

7 products from Anthropic

Incident · 34 min

Anthropic reported elevated errors for Claude Sonnet 5, Haiku 4.5 and Fable 5 for 34 minutes

Some requests to Claude Fable 5, Sonnet 5, Haiku 4.5 and other Claude models 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 Sonnet 5, Claude Haiku 4.5, Claude Fable 5, Claude and 3 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, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. 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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