Outage in Anthropic
Elevated errors on Claude Opus 4.6 and Sonnet 4.6
Resolved MajorIncident Report
Summary AI Generated
Anthropic experienced elevated errors affecting Claude Opus 4.6 and Sonnet 4.6 requests across claude.ai, console.anthropic.com, and api.anthropic.com for 2.9 hours. The issue was identified as causing a low rate of errors on requests to these specific Claude models. The incident was fully resolved after the team worked to address the underlying problem.
We are currently investigating an issue resulting in elevated errors on requests to Claude Opus 4.6 and Sonnet 4.6. We will provide an update as soon as possible.
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Latest Updates ( sorted recent to last )
RESOLVED
3 days ago - at 03/27/2026 12:49AM
This incident has been resolved.
IDENTIFIED
3 days ago - at 03/26/2026 11:06PM
We have identified an issue resulting in a low rate of errors on requests to Claude Opus 4.6 and Sonnet 4.6, we are continuing to work to fully resolve this issue and will provide additional updates.
INVESTIGATING
3 days ago - at 03/26/2026 09:56PM
We are currently investigating an issue resulting in elevated errors on requests to Claude Opus 4.6 and Sonnet 4.6. We will provide an update as soon as possible.
Latest Anthropic outages
Dispatch sessions not responding in Claude Desktop - about 12 hours ago
Elevated errors on Opus 4.6 Fast Mode - about 24 hours 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 - 4 days ago
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