# Claude: Elevated errors on Claude 4 Sonnet

> Claude status incident “Elevated errors on Claude 4 Sonnet” on 2025-08-04: impact minor (vendor’s label), 1.2 h, 1 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/claude/incidents/z9cg7zphqv56
Last updated: 2025-08-04T15:00:00Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2025-08-04 13:48 UTC · Resolved: 2025-08-04 15:00 UTC · Duration: 1.2 h
- Updates: 1
- [Vendor status page: https://status.claude.com/incidents/z9cg7zphqv56](https://status.claude.com/incidents/z9cg7zphqv56)
- [Company: Claude](https://rewindex.com/company/claude.md)

## Timeline of updates

- **resolved** 2025-08-04 15:00 UTC: As of 08:00 PT / 15:00 UTC the error rate should be at the baseline.

_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 2025-08-04 13:48 UTC, resolved after 1.2 h, 1 update(s).

- Canonical URL: https://rewindex.com/company/claude/incidents/z9cg7zphqv56
- Citation: Claude, “Elevated errors on Claude 4 Sonnet” (2025-08-04 13:48 UTC). Archived by Rewindex: https://rewindex.com/company/claude/incidents/z9cg7zphqv56 (CC BY 4.0).
- Markdown link: `[Claude: Elevated errors on Claude 4 Sonnet (2025-08-04)](https://rewindex.com/company/claude/incidents/z9cg7zphqv56)`


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Canonical: https://rewindex.com/company/claude/incidents/z9cg7zphqv56 · Markdown: https://rewindex.com/company/claude/incidents/z9cg7zphqv56.md · JSON: https://rewindex.com/api/v1/companies/claude/incidents/z9cg7zphqv56 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T16:26:59.672Z