# Claude: Degraded performance for Claude Opus 5 and Claude Haiku 4.5

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-08-19 09:42 UTC · Resolved: 2026-08-19 11:02 UTC · Duration: 1.3 h
- Updates: 3 · Affected components: Claude Cowork, Claude API (api.anthropic.com), claude.ai, Claude Code
- [Vendor status page: https://stspg.io/zg9tfmjj1th2](https://stspg.io/zg9tfmjj1th2)
- [Company: Claude](https://rewindex.com/company/claude.md)

## Timeline of updates

- **identified** 2026-08-19 09:42 UTC: We have identified the cause of elevated errors on requests to Claude Opus 5 and Claude Haiku 4.5 and are working on a fix. We will provide an update as soon as possible.
- **monitoring** 2026-08-19 10:33 UTC: A fix has been implemented and we are monitoring the results.
- **resolved** 2026-08-19 11:02 UTC: This incident has been resolved.


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Canonical: https://rewindex.com/company/claude/incidents/hkcw95k7r0f4 · Markdown: https://rewindex.com/company/claude/incidents/hkcw95k7r0f4.md · JSON: https://rewindex.com/api/v1/companies/claude/incidents/hkcw95k7r0f4 · Generated 2026-10-18T11:32:45.408Z