# Sonnet 4.6 elevated rate of errors

- Provider: [Anthropic](https://down.guide/anthropic)
- Level: confirmed
- Impact: Partial outage
- lasted 3h 10m
- started 2026-04-08 06:23 UTC
- claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com) +2
- id: DWN-1657b9e874
- Official page: https://stspg.io/qc3876fn01gb

## Updates from Anthropic
### 2026-04-08 06:23 UTC: investigating
We are currently investigating this issue.

### 2026-04-08 07:06 UTC: investigating
We are continuing to investigate this issue.

### 2026-04-08 07:59 UTC: identified
The issue has been identified and a fix is being implemented.

### 2026-04-08 09:01 UTC: monitoring
A fix has been implemented and we are monitoring the results.

### 2026-04-08 09:33 UTC: resolved
The incident is now resolved. Sonnet 4.6 exhibited errors above baseline between 23:00 PT / 7:00 UTC and 1:50 PT / 9:50 UTC.

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