# Anthropic: Degraded performance on Claude Sonnet 5

> Anthropic status incident “Degraded performance on Claude Sonnet 5” on 2026-08-03: impact minor (vendor’s label), 15 min, 2 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/anthropic/incidents/dnl3q35xkn3s
Last updated: 2026-08-03T15:29:01Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-08-03 15:13 UTC · Resolved: 2026-08-03 15:29 UTC · Duration: 15 min
- Updates: 2 · Affected components: Claude Cowork, Claude API (api.anthropic.com), claude.ai, Claude Code
- [Vendor status page: https://stspg.io/gr4zh2flvcjk](https://stspg.io/gr4zh2flvcjk)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)

## Timeline of updates

- **investigating** 2026-08-03 15:13 UTC: We are currently investigating this issue.
- **resolved** 2026-08-03 15:29 UTC: As of 15:20 UTC (8:20am PT), error rates on Claude Sonnet 5 have returned to baseline. This incident is resolved.

## Cite this

Status incident (vendor impact label: minor) posted by Anthropic, started 2026-08-03 15:13 UTC, resolved after 15 min, 2 update(s).

- Canonical URL: https://rewindex.com/company/anthropic/incidents/dnl3q35xkn3s
- Citation: Anthropic, “Degraded performance on Claude Sonnet 5” (2026-08-03 15:13 UTC). Archived by Rewindex: https://rewindex.com/company/anthropic/incidents/dnl3q35xkn3s (CC BY 4.0).
- Markdown link: `[Anthropic: Degraded performance on Claude Sonnet 5 (2026-08-03)](https://rewindex.com/company/anthropic/incidents/dnl3q35xkn3s)`


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Canonical: https://rewindex.com/company/anthropic/incidents/dnl3q35xkn3s · Markdown: https://rewindex.com/company/anthropic/incidents/dnl3q35xkn3s.md · JSON: https://rewindex.com/api/v1/companies/anthropic/incidents/dnl3q35xkn3s · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T13:04:54.771Z