Request duration regression for Claude Sonnet 3.7 and 4 and Claude Opus 4

Incident Report for Anthropic

Resolved

This incident has been resolved.
Posted Jun 07, 2025 - 00:18 UTC

Update

Our engineers are working to deploy a fix to an issue that has resulted in a small number of requests timing out earlier than expected. This issue only affects very long-running requests to Claude Sonnet 3.7 and 4, as well as Opus 4. We will provide an update here as soon as the issue has been fully resolved.
Posted Jun 05, 2025 - 23:20 UTC

Update

We are continuing to work on a fix for this issue.
Posted Jun 05, 2025 - 21:59 UTC

Update

We are continuing to work on a fix for this issue.
Posted Jun 05, 2025 - 20:54 UTC

Identified

Max request duration dropped for these models. We have identified the root cause and rollout the fix soon.
Posted Jun 04, 2025 - 05:00 UTC
This incident affected: claude.ai and api.anthropic.com.
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