# Elevated errors on Claude Opus 4.8 (Fast Mode)

- Provider: [Anthropic](https://down.guide/providers/anthropic)
- Confidence: Confirmed
- Impact: Degraded
- lasted 29m
- started 2026-06-09 03:13 UTC
- claude.ai, Claude API (api.anthropic.com), Claude Code +1
- Anthropic states the impact was 2026-06-08 09:50 UTC to 2026-06-09 03:30 UTC (17h 40m)
- id: DWN-85a90d7d45
- Official page: https://stspg.io/9rzy2m33b3zh

## Updates from Anthropic
### 2026-06-09 03:13 UTC: investigating
We are currently investigating this issue.

### 2026-06-09 03:42 UTC: resolved
This issue has been resolved. Claude Opus 4.8 (Fast Mode) saw elevated errors from 7:50 PM PT / 02:50 UTC to 8:30 PM PT / 03:30 UTC.

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