# Elevated errors on Claude Haiku 4.5

- Provider: [Anthropic](https://down.guide/providers/anthropic)
- Confidence: Confirmed
- Impact: Degraded
- lasted 21m
- started 2026-04-28 12:24 UTC
- claude.ai, Claude API (api.anthropic.com)
- Anthropic states the impact was 2026-04-27 18:53 UTC to 2026-04-28 12:36 UTC (17h 43m)
- id: DWN-51995f94ea
- Official page: https://stspg.io/wlz8khy3t7xp

## Updates from Anthropic
### 2026-04-28 12:24 UTC: investigating
We are currently investigating this issue.

### 2026-04-28 12:38 UTC: monitoring
A fix has been implemented and we are monitoring the results.

### 2026-04-28 12:45 UTC: resolved
The incident has now been resolved. The elevated error rate for Haiku 4.5 was between 4:53 PT / 11:53 UTC and 5:36 PT / 12:44 UTC.

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