# Anthropic: Degraded performance on Claude Sonnet 5

> Anthropic status incident “Degraded performance on Claude Sonnet 5” on 2026-07-31: impact minor (vendor’s label), 47 min, 2 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/anthropic/incidents/jq4x54h69z76
Last updated: 2026-07-31T07:04:49Z

- Impact (vendor’s label): minor
- Status: resolved
- Started: 2026-07-31 06:18 UTC · Resolved: 2026-07-31 07:04 UTC · Duration: 47 min
- Updates: 2 · Affected components: Claude Cowork, Claude API (api.anthropic.com), claude.ai, Claude Code
- [Vendor status page: https://stspg.io/5tnhyrw0vnfq](https://stspg.io/5tnhyrw0vnfq)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)

## Timeline of updates

- **investigating** 2026-07-31 06:18 UTC: We are currently investigating this issue.
- **resolved** 2026-07-31 07:04 UTC: This incident has been resolved.

## Cite this

Status incident (vendor impact label: minor) posted by Anthropic, started 2026-07-31 06:18 UTC, resolved after 47 min, 2 update(s).

- Canonical URL: https://rewindex.com/company/anthropic/incidents/jq4x54h69z76
- Citation: Anthropic, “Degraded performance on Claude Sonnet 5” (2026-07-31 06:18 UTC). Archived by Rewindex: https://rewindex.com/company/anthropic/incidents/jq4x54h69z76 (CC BY 4.0).
- Markdown link: `[Anthropic: Degraded performance on Claude Sonnet 5 (2026-07-31)](https://rewindex.com/company/anthropic/incidents/jq4x54h69z76)`


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Canonical: https://rewindex.com/company/anthropic/incidents/jq4x54h69z76 · Markdown: https://rewindex.com/company/anthropic/incidents/jq4x54h69z76.md · JSON: https://rewindex.com/api/v1/companies/anthropic/incidents/jq4x54h69z76 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-05T14:15:16.908Z