Elevated errors on many Claude models

Resolved

This incident has been resolved.

Update

The incident started at 8:08 PT / 15:08 UTC. Recovery times per model were:

Opus 4.6 - 8:25 PT / 15:25 UTC Sonnet 4.6 — 9:23 PT / 16:23 UTC Opus 4.8 — 9:59 PT / 16:59 UTC Opus 4.7 — 10:12 PT / 17:12 UTC Opus 4.5 — 10:29 PT / 17:29 UTC

All models have now fully recovered.

Update

Success rates across all models have returned to expected levels. We are continuing to monitor closely to ensure no further issues will recur.

Update

We are continuing to work to resolve issues affecting success rates on Opus 4.7 and 4.8, and will provide additional updates as soon as possible.

Update

We have identified the issue and we are working to mitigate the issue. Current ongoing issues with frontier models are with Opus 4.7 and Opus 4.8 and other models have recovered.

Investigating

We are currently investigating this issue.