# Claude: Elevated error rates to Sonnet 4.5 on Claude Code

> Claude status incident “Elevated error rates to Sonnet 4.5 on Claude Code” on 2025-11-18: impact minor (vendor’s label), 57 min, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/claude/incidents/4bvvh93qjl25
Last updated: 2025-11-18T09:52:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2025-11-18 08:55 UTC · Resolved: 2025-11-18 09:52 UTC · Duration: 57 min
- Updates: 1
- [Vendor status page: https://status.claude.com/incidents/4bvvh93qjl25](https://status.claude.com/incidents/4bvvh93qjl25)
- [Company: Claude](https://rewindex.com/company/claude.md)

## Timeline of updates

- **resolved** 2025-11-18 09:52 UTC: This incident has been resolved.

_From the vendor’s published history: only the final update text is available for incidents before Rewindex began polling this page._

## Cite this

Status incident (vendor impact label: minor) posted by Claude, started 2025-11-18 08:55 UTC, resolved after 57 min, 1 update(s).

- Canonical URL: https://rewindex.com/company/claude/incidents/4bvvh93qjl25
- Citation: Claude, “Elevated error rates to Sonnet 4.5 on Claude Code” (2025-11-18 08:55 UTC). Archived by Rewindex: https://rewindex.com/company/claude/incidents/4bvvh93qjl25 (CC BY 4.0).
- Markdown link: `[Claude: Elevated error rates to Sonnet 4.5 on Claude Code (2025-11-18)](https://rewindex.com/company/claude/incidents/4bvvh93qjl25)`


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Canonical: https://rewindex.com/company/claude/incidents/4bvvh93qjl25 · Markdown: https://rewindex.com/company/claude/incidents/4bvvh93qjl25.md · JSON: https://rewindex.com/api/v1/companies/claude/incidents/4bvvh93qjl25 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T15:46:45.609Z