Elevated errors across models

Incident Report for Anthropic

Resolved

This incident has been resolved.
Posted Jul 03, 2025 - 14:39 UTC

Monitoring

As of 14:21 UTC we've implemented a fix that has reduced the error rate to acceptable levels. We are currently monitoring the situation.
Posted Jul 03, 2025 - 14:28 UTC

Investigating

We are currently investigating an issue. Since 13:55 UTC we've seen an elevated error rate on Claude 4 Sonnet and on Claude 3.6 Sonnet.
Posted Jul 03, 2025 - 14:09 UTC
This incident affected: claude.ai, api.anthropic.com, and Claude Code.