StackAI incident

Elevated errors for Claude Sonnet 4.6 and Haiku 4.5

Minor Resolved

StackAI experienced a minor incident on May 12, 2026 affecting Web Application (Anthropic (Claude) API ), lasting 36m. The incident has been resolved; the full update timeline is below.

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

  1. 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.

  2. resolved May 12, 2026, 08:13 PM UTC

    This incident has been resolved.