Skip to content
OutageDeck

Incident detail

Elevated errors for Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other models

Resolved incidentMajor3 affected services

Timeline window

to

Outage alerts

Get alerted the next time Anthropic breaks

Free email alerts for up to 5 providers — no card, live in about a minute. Paid plans add Slack, Discord, and webhook delivery across your whole stack, plus higher API quotas.

Set up free alertsHow Anthropic alerts work

Timeline

Incident updates

Every update Anthropic posted, oldest to newest, exactly as it appeared on their official status page.

  1. Investigating

    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.

  2. Resolved

    This incident has been resolved.