# Elevated error rates for Claude Sonnet 4.5 EIS inference endpoints

- Provider: [Elastic Cloud](https://down.guide/elastic-cloud)
- Level: confirmed
- Impact: Partial outage
- lasted 1h 10m
- started 2026-03-30 18:46 UTC
- Elastic Inference Service
- id: DWN-bb0a0a34c6
- Official page: https://stspg.io/vk1fjxc7b051

## Updates from Elastic Cloud
### 2026-03-30 18:46 UTC: investigating
We're seeing elevated 5xx error rates for the Claude Sonnet 4.5 model in EIS. The following default inference endpoints are affected:
- .anthropic-claude-4.5-sonnet-chat\_completion
- .anthropic-claude-4.5-sonnet-completion
- .gp-llm-v2-chat\_completion
- .gp-llm-v2-completion
We're investigating and will update again in 2 hours or if there's a change in status.

### 2026-03-30 19:57 UTC: resolved
Endpoints are operating normally

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