# Elevated errors for Claude Sonnet 5.5

- Provider: [Anthropic](https://down.guide/anthropic)
- Level: confirmed
- Impact: Partial outage
- lasted 42m
- started 2026-10-27 09:14 UTC
- claude.ai, Claude API (api.anthropic.com), Claude Code +1
- id: DWN-80f110f244
- Official page: https://stspg.io/rql9h590npxd

## Updates from Anthropic
### 2026-10-27 09:14 UTC: investigating
We are investigating elevated errors on requests to Claude Sonnet 5.5. We will provide an update as soon as possible.

### 2026-10-27 09:38 UTC: monitoring
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

### 2026-10-27 09:56 UTC: resolved
The issue affecting Claude services has been resolved.

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