# Elevated errors for multiple models

- Provider: [Anthropic](https://down.guide/anthropic)
- Level: confirmed
- Impact: Partial outage
- lasted 3h 24m
- started 2026-08-24 05:06 UTC
- claude.ai, Claude API (api.anthropic.com), Claude Code +1
- id: DWN-0306cf69d6
- Official page: https://stspg.io/5kzdprb1xsbx

## Updates from Anthropic
### 2026-08-24 05:06 UTC: investigating
We are investigating elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and Claude Opus 4.8. We will provide an update as soon as possible.

### 2026-08-24 05:27 UTC: identified
We have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, Claude Opus 5, and other Claude models and are working on a fix. We will provide an update as soon as possible.

### 2026-08-24 06:42 UTC: identified
We are continuing to work to resolve issues causing elevated requests on multiple models. We will provide an update as soon as possible.

### 2026-08-24 07:47 UTC: identified
At this time, we have seen errors stabilize on Opus 5 and Fable 5, and are working to fully resolve success rates on all affected models. We will provide an update as soon as possible.

### 2026-08-24 08:30 UTC: resolved
This issue has been resolved. From 9:50pm PT / 04:50 UTC through 00:36am PT / 07:36 UTC, users saw elevated errors on requests to Claude models, including Claude Opus 5 and Fable 5.

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