# Anthropic: Degraded performance for Claude Fable 5

> Anthropic status incident “Degraded performance for Claude Fable 5” on 2026-10-21: impact minor (vendor’s label), 40 min, 2 update(s). Archived by Rewindex.

Canonical: https://rewindex.com/company/anthropic/incidents/njk29r81v3wg
Last updated: 2026-10-21T20:33:00Z

- Impact (vendor’s label): minor
- Status: resolved · edited after publishing
- Started: 2026-10-21 19:49 UTC · Resolved: 2026-10-21 20:29 UTC · Duration: 40 min
- Updates: 2 · Affected components: Claude Cowork, Claude API (api.anthropic.com), claude.ai, Claude Code
- [Vendor status page: https://stspg.io/cgklr4v2sgkh](https://stspg.io/cgklr4v2sgkh)
- [Company: Anthropic](https://rewindex.com/company/anthropic.md)

## Timeline of updates

- **investigating** 2026-10-21 19:49 UTC: We are investigating elevated errors on requests to Claude Fable 5. We will provide an update as soon as possible.
- **resolved** 2026-10-21 20:29 UTC: The issue affecting other Claude models has been resolved.

## Rewindex changes for this incident

- 2026-10-21 20:33 UTC: [Incident updated: Degraded performance for Claude Fable 5](https://rewindex.com/change/rf4f5ec4219daf5.md)

## Cite this

Status incident (vendor impact label: minor) posted by Anthropic, started 2026-10-21 19:49 UTC, resolved after 40 min, 2 update(s); edited after publishing.

- Canonical URL: https://rewindex.com/company/anthropic/incidents/njk29r81v3wg
- Citation: Anthropic, “Degraded performance for Claude Fable 5” (2026-10-21 19:49 UTC). Archived by Rewindex: https://rewindex.com/company/anthropic/incidents/njk29r81v3wg (CC BY 4.0).
- Markdown link: `[Anthropic: Degraded performance for Claude Fable 5 (2026-10-21)](https://rewindex.com/company/anthropic/incidents/njk29r81v3wg)`


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Canonical: https://rewindex.com/company/anthropic/incidents/njk29r81v3wg · Markdown: https://rewindex.com/company/anthropic/incidents/njk29r81v3wg.md · JSON: https://rewindex.com/api/v1/companies/anthropic/incidents/njk29r81v3wg · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T18:36:18.252Z