Elevated errors on Claude 4 Sonnet

Incident Report for Anthropic

Resolved

As of 01:36 PT / 08:36 UTC errors have returned to the baseline.
Posted Jul 30, 2025 - 09:30 UTC

Investigating

We are currently investigating an issue with Claude 4 Sonnet that started at 23:35 PT / 6:35 UTC.
Posted Jul 30, 2025 - 07:52 UTC
This incident affected: claude.ai, console.anthropic.com, api.anthropic.com, and Claude Code.