Outage in Claude
Elevated errors for Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other models
Resolved MajorIncident Report
Summary AI Generated
Anthropic experienced elevated errors across multiple Claude models — including Claude Fable 5, Claude Sonnet 5, and Claude Haiku 4.5 — affecting both claude.ai and the API. The incident lasted approximately 36 minutes before being resolved.
We are investigating elevated errors on requests to Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. We will provide an update as soon as possible.
Components affected
Claude claude.ai Claude api.anthropic.comLatest Updates ( sorted recent to last )
RESOLVED
1 day ago - at 07/25/2026 10:08PM
This incident has been resolved.
INVESTIGATING
1 day ago - at 07/25/2026 09:34PM
We are investigating elevated errors on requests to Claude Fable 5, Claude Sonnet 5, Claude Haiku 4.5, and other Claude models. We will provide an update as soon as possible.
Latest Claude outages
Elevated errors for Opus 5 - about 18 hours ago
Elevated error rate on Opus 4.8 - 3 days ago
Elevated errors on Haiku 4.5 - 4 days ago
Service disruption on Claude Services - 4 days ago
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