Outage in Anthropic

Elevated errors across many models

Resolved Major
December 14, 2025 - Started 1 day ago - Lasted about 1 hour
Official incident page

Incident Report

We are currently investigating this issue.

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Latest Updates ( sorted recent to last )
RESOLVED 1 day ago - at 12/14/2025 10:51PM

As of 14:43 PT / 22:43 UTC we have seen full recovery across all models.

IDENTIFIED 1 day ago - at 12/14/2025 10:46PM

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

INVESTIGATING 1 day ago - at 12/14/2025 10:36PM

We are continuing to investigate the issue.

INVESTIGATING 1 day ago - at 12/14/2025 09:46PM

We have identified that the outage is related to Sonnet 4.0, Sonnet 4.5, and Opus 4.5.

INVESTIGATING 1 day ago - at 12/14/2025 09:31PM

We are currently investigating this issue.

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