Degraded performance for multiple models
Claude Status · Resolved
Resolved
Unknown
Aug 18, 2026 16:20 UTC
Aug 18, 2026 19:01 UTC
Timeline
Resolved
The issue affecting Claude Opus 5 has been resolved. Impact occurred from 16:11 to 18:23 UTC.
Monitoring
A fix has been implemented and we are monitoring the results.
Update
We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.
Investigating
We are investigating reports of degraded performance affecting multiple models. We will provide an update as soon as possible.
Update
We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. We will provide an update as soon as possible.