aiAI Status Monitor

Degraded performance for Claude Opus 5 and Claude Haiku 4.5

DegradedResolved · started Aug 19, 2026, 9:42 AM UTC (48d ago)

Was Claude down? Anthropic reported “Degraded performance for Claude Opus 5 and Claude Haiku 4.5” on Aug 19, 2026, 9:42 AM UTC. Full timeline below. This incident affects Claude — see live Claude status. Source: official vendor status feed.

Timeline

  1. Aug 19, 2026, 11:02 AM UTC

    This incident has been resolved.

  2. Aug 19, 2026, 10:33 AM UTC

    A fix has been implemented and we are monitoring the results.

  3. Aug 19, 2026, 9:42 AM UTC

    We have identified the cause of elevated errors on requests to Claude Opus 5 and Claude Haiku 4.5 and are working on a fix. We will provide an update as soon as possible.

More Claude outages