Elevated error rates on requests to some models

Incident Report for Claude

Resolved

This incident has been resolved.
Posted May 15, 2026 - 01:46 UTC

Update

We are working to resolve errors impacting Claude Opus 4.6, and have seen both Sonnet 4.6 and Opus 4.7 return to normal success rates.
Posted May 15, 2026 - 01:26 UTC

Identified

We are currently working to resolve issues affecting requests to Claude Opus and Sonnet 4.6, though success rates for Opus 4.7 have returned to normal.
Posted May 15, 2026 - 01:06 UTC

Update

We are continuing to investigate this issue.
Posted May 15, 2026 - 00:19 UTC

Investigating

We are currently investigating this issue.
Posted May 15, 2026 - 00:18 UTC
This incident affected: Claude API (api.anthropic.com) and Claude Code.
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