# Elevated error rates on requests to some models

> Source: <https://status.claude.com/incidents/8z7l5zcy0v3b>
> Published: 2026-05-15 01:46:46+00:00

May `15`, `01:46` UTC

**Resolved** - This incident has been resolved.

May `15`, `01:26` 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.

May `15`, `01:06` 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.

May `15`, `00:19` UTC

**Update** - We are continuing to investigate this issue.

May `15`, `00:18` UTC

**Investigating** - We are currently investigating this issue.
