Elevated errors across many models
Claude Status · Resolved
Resolved
Unknown
Jun 16, 2026 19:32 UTC
Jun 23, 2026 14:50 UTC
Timeline
Resolved
The incident has now been resolved. We had two phases:* between 10:23 PT / 17:23 UTC to 11:00 PT / 18:00 UTC -- all Sonnet and Opus models were affected, reaching an error rate of around 10%* after 11:00 PT / 18:00 UTC and until 12:20 PT / 19:20 UTC -- Opus 4.8 had an average error rate of 10%The incident is now resolved.
Monitoring
A fix has been implemented and we are monitoring the results.
Update
We are continuing to work on a fix for this issue.
Update
We are continuing to work to resolve an elevated rate of errors on requests to Claude Opus 4.8, and will provide an additional update as soon as possible.
Identified
We are still seeing errors on Opus 4.8 and Haiku 4.5.
Monitoring
A fix has been implemented and we are monitoring the results.
Investigating
We are currently investigating this issue.