Resolved

Last updated: October 27, 2026 at 04:41 PM UTC

Elevated errors for Claude Sonnet 5.5

Affected Components

Claude API (api.anthropic.com)Claude CodeClaude Coworkclaude.ai

Updates

Resolved

October 27, 2026 at 04:41 PM UTC

The elevated errors affecting Claude Sonnet 5.5 and related components have been resolved after impact from 14:42 to 15:17 UTC.

Identified

October 27, 2026 at 03:24 PM UTC

Elevated errors are affecting requests to Claude Sonnet 5.5, and the issue has been identified while investigation continues.

Resolved

October 27, 2026 at 10:20 AM UTC

The incident affecting Claude Sonnet 5.5 has been resolved, and all affected services are operational.

Monitoring

October 27, 2026 at 09:57 AM UTC

A fix has been deployed for elevated errors affecting Claude Sonnet 5.5, and services are being monitored for recovery.

Investigating

October 27, 2026 at 09:49 AM UTC

We are investigating elevated errors on requests to Claude Sonnet 5.5 and will provide updates as soon as possible.