# Elevated errors on Claude Opus 5 and Haiku 4.5

- Provider: [Anthropic](https://down.guide/anthropic)
- Level: confirmed
- Impact: Degraded
- lasted 57m
- started 2026-07-27 13:39 UTC
- claude.ai, Claude API (api.anthropic.com), Claude Code +1
- id: DWN-2615dff3f2
- Official page: https://stspg.io/996bl17pqbbx

## Updates from Anthropic
### 2026-07-27 13:39 UTC: investigating
We are currently investigating this issue.

### 2026-07-27 13:41 UTC: investigating
We are continuing to investigate this issue.

### 2026-07-27 13:42 UTC: investigating
We are currently investigating this issue.

### 2026-07-27 14:04 UTC: investigating
Haiku 4.5 is also returning errors.

### 2026-07-27 14:36 UTC: resolved
As of 7:34 PST / 14:34 UTC the errors have returned to baseline.

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