# Elevated errors for Claude Fable 5.1

- Provider: [Anthropic](https://down.guide/anthropic)
- Level: confirmed
- Impact: Partial outage
- lasted 32m
- started 2026-10-25 08:17 UTC
- claude.ai, Claude API (api.anthropic.com), Claude Code +1
- id: DWN-9332a3488f
- Official page: https://stspg.io/y0gkl12ztjst

## Root cause
> We have identified the cause of elevated errors on requests to Claude Fable 5.

[Postmortem](https://stspg.io/y0gkl12ztjst)

## Updates from Anthropic
### 2026-10-25 08:17 UTC: investigating
We are investigating elevated errors on requests to Claude Fable 5.1. We will provide an update as soon as possible.

### 2026-10-25 08:17 UTC: identified
We have identified the cause of elevated errors on requests to Claude Fable 5.1 and are working on a fix. We will provide an update as soon as possible.

### 2026-10-25 08:30 UTC: monitoring
A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

### 2026-10-25 08:49 UTC: resolved
The issue affecting Claude services has been resolved. Impact occurred from 01:08 PT / 08:08 UTC to 01:29 PT / 08:29 UTC.

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