# Elevated error rate on multiple models

- Provider: [Anthropic](https://down.guide/anthropic)
- Level: confirmed
- Impact: Partial outage
- lasted 4h 34m
- started 2026-05-22 04:16 UTC
- claude.ai, Claude Console (platform.claude.com), Claude API (api.anthropic.com) +2
- id: DWN-6a97a286a2
- Official page: https://stspg.io/py69zkphvgdt

## Updates from Anthropic
### 2026-05-22 04:16 UTC: investigating
We are currently investigating this issue.

### 2026-05-22 04:40 UTC: identified
We have identified an issue resulting in elevated error rates, primarily on Claude Opus 4.7 and Sonnet 4.6. We are working to resolve these issues, and will provide additional updates as soon as possible.

### 2026-05-22 05:25 UTC: identified
We are continuing to work to fully resolve issues impacting Claude Opus 4.7, and Sonnet 4.6. At this time, success rates on Claude Opus 4.7 have stabilized. We will provide additional updates shortly.

### 2026-05-22 05:53 UTC: monitoring
We have seen success rates on Claude Opus 4.7 and Sonnet 4.6 return to normal. We are monitoring closely to ensure no further issues, and will provide an additional update shortly.

### 2026-05-22 06:17 UTC: monitoring
We are currently working to resolve some additional errors impacting Claude Opus 4.7 and Haiku 4.5, we will provide an additional update shortly.

### 2026-05-22 06:32 UTC: monitoring
We are monitoring recovery on Claude Opus 4.7, and working to fully resolve remaining errors impacting Haiku 4.5. We will provide additional updates shortly.

### 2026-05-22 08:50 UTC: resolved
This issue has been resolved.

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