Elevated errors on Claude 3.5 Sonnet (Oct 2024)

Incident Report for Anthropic

Resolved

This incident has been resolved.
Posted Sep 01, 2025 - 08:55 UTC

Monitoring

A fix has been implemented and we are monitoring the results.
Posted Sep 01, 2025 - 08:19 UTC

Investigating

We are seeing an elevated amount of errors on Claude 3.5 Sonnet (Oct 2024) since 23:10 PT / 6:10 UTC.
Posted Sep 01, 2025 - 07:14 UTC
This incident affected: claude.ai, console.anthropic.com, api.anthropic.com, and Claude Code.