Outage in Anthropic

Elevated errors on Claude Opus 4.6

Resolved Major

March 25, 2026 - Started 4 days ago - Lasted about 9 hours
Official incident page

Incident Report

Summary AI Generated

Anthropic experienced elevated errors on Claude Opus 4.6 that affected claude.ai, console.anthropic.com, and api.anthropic.com for 9.2 hours. The incident involved multiple rounds of investigation and mitigation attempts, with errors recurring after an initial fix was implemented. The issue was ultimately resolved after extended monitoring confirmed the final mitigation was successful.

We are currently investigating this issue.

Components affected

Anthropic claude.ai Anthropic console.anthropic.com Anthropic api.anthropic.com

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Latest Updates ( sorted recent to last )

RESOLVED 4 days ago - at 03/26/2026 12:14AM

This incident has been resolved.

MONITORING 4 days ago - at 03/25/2026 08:06PM

The issue has been mitigated. We are monitoring.

INVESTIGATING 4 days ago - at 03/25/2026 08:01PM

We are currently investigating this issue.

INVESTIGATING 4 days ago - at 03/25/2026 07:53PM

We got elevated errors back. Investigating.

INVESTIGATING 4 days ago - at 03/25/2026 04:58PM

We are currently investigating this issue.

MONITORING 4 days ago - at 03/25/2026 03:37PM

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

INVESTIGATING 4 days ago - at 03/25/2026 03:04PM

We are currently investigating this issue.

Latest Anthropic outages

Dispatch sessions not responding in Claude Desktop - about 12 hours ago

Elevated errors on Opus 4.6 Fast Mode - 1 day ago

Elevated error rates on Opus 4.6 - 2 days ago

Elevated errors for MCP calls - 3 days ago

Elevated errors on Claude Opus 4.6 and Sonnet 4.6 - 3 days ago

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