# Sonnet 4.6 and Opus 4.6 elevated error rate

- Provider: [Anthropic](https://down.guide/providers/anthropic)
- Confidence: Confirmed
- Impact: Degraded
- lasted 0m
- started 2026-04-04 18:24 UTC
- Anthropic states the impact was 2026-04-04 17:09 to 17:31 UTC (22m)
- id: DWN-c2fadf515f
- Official page: https://stspg.io/9s7m1s1nrg9d

## Updates from Anthropic
### 2026-04-04 17:30 UTC: resolved
Between 10:09 and 10:31 PDT, Sonnet 4.6 and Opus 4.6 experienced elevated error rates across most product surfaces.

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