# Degraded performance for Claude Opus 5, Claude Sonnet 5

- Provider: [Anthropic](https://down.guide/anthropic)
- Level: confirmed
- Impact: Degraded
- lasted 1h 33m
- started 2026-08-17 13:56 UTC
- claude.ai, Claude API (api.anthropic.com), Claude Code +1
- id: DWN-eb25a69e29
- Official page: https://stspg.io/dw9p8s0wg6hh

## Updates from Anthropic
### 2026-08-17 13:56 UTC: investigating
We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.

### 2026-08-17 14:25 UTC: investigating
Claude Opus 5 is operational. Claude Sonnet 5 is degraded. We are investigating.

### 2026-08-17 14:39 UTC: monitoring
A fix has been implemented and we are monitoring the results.

### 2026-08-17 15:29 UTC: resolved
This incident has been resolved.

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