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Outage in Anthropic

Elevated errors across Fable 5

Resolved Minor
July 21, 2026 - Started about 21 hours ago - Lasted about 1 hour
Official incident page

Incident Report

Summary AI Generated

Anthropic experienced elevated errors across its platform — including claude.ai, the developer console, and the API — for approximately 49 minutes on July 21, 2026. The issue was identified and a fix was implemented within roughly 30 minutes of the incident starting. The incident was fully resolved shortly after the fix was deployed.

We are currently investigating this issue.

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Latest Updates ( sorted recent to last )
RESOLVED about 20 hours ago - at 07/21/2026 12:07PM

This incident has been resolved.

MONITORING about 20 hours ago - at 07/21/2026 11:47AM

A fix has been implemented and we are monitoring the results.

IDENTIFIED about 20 hours ago - at 07/21/2026 11:28AM

The issue has been identified and a fix is being implemented.

INVESTIGATING about 20 hours ago - at 07/21/2026 11:24AM

We are continuing to investigate this issue.

INVESTIGATING about 21 hours ago - at 07/21/2026 11:19AM

We are currently investigating this issue.

Latest Anthropic outages

Elevated errors on several models - about 16 hours ago
Elevated errors on Haiku 4.5 - about 19 hours ago
Elevated errors across models - about 22 hours ago

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