Anthropic incident
Degraded performance for Claude Opus 5, Claude Sonnet 5
Started
August 17, 2026 at 01:56 PM UTC
Duration
1h 32m
Resolved
August 17, 2026 at 03:29 PM UTC
Updates timeline
- Investigating
We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.
- Investigating
Claude Opus 5 is operational. Claude Sonnet 5 is degraded. We are investigating.
- Monitoring
A fix has been implemented and we are monitoring the results.
- Resolved
This incident has been resolved.
Get an email the next time Anthropic goes down
Outage alerts for Anthropic, straight to your inbox. No account needed, unsubscribe in every email.
Watching more than one service? A free account covers 5 services + a daily digest — and Pro is currently free.
Live Anthropic status
Current indicator + 24h latency
All incidents
Cross-service timeline
Subscribe via RSS
Atom feed for any reader