StackAI incident

Elevated errors for Claude Sonnet 4.6 and Haiku 4.5

Minor

Resolved after 36 minutes, affecting Web Application (Anthropic (Claude) API ), on May 12, 2026.

investigating May 12, 2026, 07:36 PM UTC

We are investigating elevated errors on requests to Claude Sonnet 4.6 and Haiku 4.5. We will provide an update as soon as possible.

Started: May 12, 2026, 07:36 PM UTC
Resolved: May 12, 2026, 08:13 PM UTC
Duration: 36m
Detected by Pingoru: May 12, 2026, 07:36 PM UTC

Affected components

Web Application (Anthropic (Claude) API )

Update timeline

investigating May 12, 2026, 07:36 PM UTC

We are investigating elevated errors on requests to Claude Sonnet 4.6 and Haiku 4.5. We will provide an update as soon as possible.
resolved May 12, 2026, 08:13 PM UTC

This incident has been resolved.

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