notable
Anthropic status page posts a critical-impact incident on the Claude API (api.anthropic.com)
Anthropic posted "Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5" with impact critical, status monitoring, naming Claude API (api.anthropic.com), Claude Code, Claude Cowork and claude.ai. A critical incident on the API surface is a capacity-strain signal as the vendor chose to post it, not an SLA measure.
status.claude.com806bad5c6497445e3854bb4a3f7d75ed1b4450b0f3d28e66a2d190cc46d15618
Cited change rows
Every field of every cited row, before and after.
| field | before | after |
|---|---|---|
| components | ∅ | ["Claude API (api.anthropic.com)","Claude Code","Claude Cowork","claude.ai"] |
| impact | ∅ | critical |
| incident_id | ∅ | h101vcmhnfky |
| incident_url | ∅ | https://status.claude.com/incidents/h101vcmhnfky |
| provider | ∅ | anthropic |
| resolved_at | ∅ | ∅ |
| started_at | ∅ | 2026-10-23T23:37:42.659Z |
| status | ∅ | monitoring |
| title | ∅ | Elevated errors for Claude Fable 5.1, Sonnet 5.5, and Haiku 5.5 |