# Claude: Degraded performance for Claude Opus 5, Claude Sonnet 5

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-08-17 13:56 UTC · Resolved: 2026-08-17 15:29 UTC · Duration: 1.6 h
- Updates: 4 · Affected components: Claude Cowork, Claude API (api.anthropic.com), claude.ai, Claude Code
- [Vendor status page: https://stspg.io/dw9p8s0wg6hh](https://stspg.io/dw9p8s0wg6hh)
- [Company: Claude](https://rewindex.com/company/claude.md)

## Timeline of updates

- **investigating** 2026-08-17 13:56 UTC: We are investigating elevated errors on requests to Claude Opus 5. We will provide an update as soon as possible.
- **investigating** 2026-08-17 14:25 UTC: Claude Opus 5 is operational. Claude Sonnet 5 is degraded. We are investigating.
- **monitoring** 2026-08-17 14:39 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2026-08-17 15:29 UTC: This incident has been resolved.


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Canonical: https://rewindex.com/company/claude/incidents/zhk4v3yv1lsf · Markdown: https://rewindex.com/company/claude/incidents/zhk4v3yv1lsf.md · JSON: https://rewindex.com/api/v1/companies/claude/incidents/zhk4v3yv1lsf · Generated 2026-10-18T09:40:24.847Z