Claude experienced elevated errors across all models for 1.9 hours, affecting the main website, developer console, and API. Users reported issues with downloaded applications not opening during the incident. The issue was identified as affecting Claude Opus 4.1 and Fast Mode for Claude Opus 4.6 in the final stages, with a fix implemented and the incident fully resolved.
This incident has been resolved.
A fix has been implemented and we are monitoring the results.
We have identified the cause and a fix is being rolled out. As of 10:22 UTC, the remaining impact is limited to Claude Opus 4.1 and Fast Mode for Claude Opus 4.6.
We are currently investigating this issue.
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