Claude Investigating Elevated Errors for Sonnet 5

Claude is reporting an active service incident on its official status page.

T

Technobezz

Senior Editor

Sep 2, 2026
3 min read
Technobezz
Claude Investigating Elevated Errors for Sonnet 5

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Updated 5:17 p.m. Eastern on September 2, 2026

Claude reports an ongoing investigation into elevated errors affecting Claude Sonnet 5. The incident is marked as major and currently under investigation.

What is affected

The incident affects requests to Claude Sonnet 5 across claude.ai, Claude API, Claude Code, and Claude Cowork.

Official update timeline

, marked Investigating

We are investigating elevated errors on requests to Claude Sonnet 5. We will provide an update as soon as possible.

Read the official Claude status page.

Track Claude in the Technobezz status catalog.

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