Elevated errors on Claude Sonnet 4.6 and Opus 4.8

Incident Report for Claude

Resolved

This incident has been resolved.

Posted Jun 17, 2026 - 02:50 UTC

Identified

At this time, success rates for Claude Sonnet 4.6 have recovered and we are working to resolve an issue resulting in elevated errors on Opus 4.8. We will provide additional updates as soon as possible.

Posted Jun 17, 2026 - 01:52 UTC

Investigating

We are currently investigating this issue.

Posted Jun 17, 2026 - 00:47 UTC

This incident affected: claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com), Claude Code, and Claude Cowork.