# Elevated errors on many Claude models

- Provider: [Anthropic](https://down.guide/anthropic)
- Level: confirmed
- Impact: Partial outage
- lasted 3h 9m
- started 2026-06-05 15:19 UTC
- id: DWN-1186778132
- Official page: https://stspg.io/ck0qfxxtj0d9

## Updates from Anthropic
### 2026-06-05 15:19 UTC: investigating
We are currently investigating this issue.

### 2026-06-05 15:43 UTC: identified
We have identified the issue and we are working to mitigate the issue. Current ongoing issues with frontier models are with Opus 4.7 and Opus 4.8 and other models have recovered.

### 2026-06-05 16:46 UTC: identified
We are continuing to work to resolve issues affecting success rates on Opus 4.7 and 4.8, and will provide additional updates as soon as possible.

### 2026-06-05 17:13 UTC: monitoring
Success rates across all models have returned to expected levels. We are continuing to monitor closely to ensure no further issues will recur.

### 2026-06-05 18:27 UTC: monitoring
The incident started at 8:08 PT / 15:08 UTC. Recovery times per model were:
Opus 4.6 - 8:25 PT / 15:25 UTC
Sonnet 4.6 — 9:23 PT / 16:23 UTC
Opus 4.8 — 9:59 PT / 16:59 UTC
Opus 4.7 — 10:12 PT / 17:12 UTC
Opus 4.5 — 10:29 PT / 17:29 UTC
All models have now fully recovered.

### 2026-06-05 18:28 UTC: resolved
This incident has been resolved.

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