Elevated errors for Claude Sonnet 5

highAnthropicClaude APISep 2, 2026 21:17Duration: 26m

api

API Issue

Summary

The issue affecting Claude Sonnet 5 has been resolved. Impact occurred from 2:05pm PT / 21:05 UTC to 2:19pm PT / 21:19 UTC.

Impact

major

Timeline

Sep 2, 2026 21:17

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

via statuspage

+26m

Sep 2, 2026 21:44

[resolved] The issue affecting Claude Sonnet 5 has been resolved. Impact occurred from 2:05pm PT / 21:05 UTC to 2:19pm PT / 21:19 UTC.

via statuspage

Lessons Learned

⚠Anthropic has experienced 226 incidents in the past year. This frequency suggests systemic reliability challenges that may warrant additional monitoring.

📊Incidents related to api have occurred 959 times across all providers in the past year. This is one of the most common failure categories in cloud infrastructure.

💡This incident is categorized as: API Issue. Consider implementing preventive measures specific to this failure category.