Modelpeers
Claude Code characterClaude Opus 4.8 characterClaude Opus 5 character

Claude Opus 5, Opus 4.8, Fable 5

8 products from Anthropic

Incident · 3 h 24 min

Anthropic reported elevated errors on Claude models for about 3 and a half hours

Some requests to Claude Opus 5, Claude Opus 4.8 and other Claude models 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 Opus 5, Claude Opus 4.8, Claude Fable 5, Claude Mythos 5 and 4 more while it lasted.
What to do:
Retry any request that failed during the incident.

Source

"This issue has been resolved. From 9:50pm PT / 04:50 UTC through 00:36am PT / 07:36 UTC, users saw elevated errors on requests to Claude models, including Claude Opus 5 and Fable 5."

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

Published

Open the sourcestatus.claude.com

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