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Anthropic: Degraded performance of multiple models

Affected components: Claude CoworkClaude API (api.anthropic.com)claude.aiClaude Code

Timeline of updates

1. identified2026-08-05 07:05 UTC

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

2. identified2026-08-05 09:13 UTC

   We are continuing to work on a fix for this issue.

3. monitoring2026-08-05 13:08 UTC

   A fix has been deployed for the issue affecting Claude services and we are monitoring for recovery.

4. resolved2026-08-05 14:14 UTC

   This incident has been resolved.

Impact, status and times are the vendor’s own, as last archived. View on stspg.io (opens in new tab). Anthropic profile · Recent Anthropic incidents · Markdown · JSON