Anthropic identifies degraded performance on Claude Mythos 5, Fable 5, Opus 5

Elevated errors on Claude Opus 5 and Haiku 4.5 | https://status.claude.com/incidents/rkk5x44tndw9 | <p> <small>Jul <var data-var='date'>27</var>, <var data-var='time'>14:36</var> UTC</small><br> <strong>Resolved</strong> - As of 7:34 PST / 14:34 UTC the errors have returned to baseline. </p> <p> <small>Jul <var data-var='date'>27</var>, <var data-var='time'>14:04</var> UTC</small><br> <strong>Update</strong> - Haiku 4.5 is also returning errors. </p> <p> <small>Jul <var data-var='date'>27</var>, <var data-var='time'>13:42</var> UTC</small><br> <strong>Update</strong> - We are currently investigating this issue. </p> <p> <small>Jul <var data-var='date'>27</var>, <var data-var='time'>13:41</var> UTC</small><br> <strong>Update</strong> - We are continuing to investigate this issue. </p> <p> <small>Jul <var data-var='date'>27</var>, <var data-var='time'>13:39</var> UTC</small><br> <strong>Investigating</strong> - We are currently investigating this issue. </p>

Degraded performance for Claude Mythos 5, Claude Fable 5, and Claude Opus 5 | https://status.claude.com/incidents/f6gkkq6txl7z | <p> <small>Aug <var data-var='date'> 5</var>, <var data-var='time'>07:05</var> UTC</small><br> <strong>Identified</strong> - We have identified the cause of elevated errors on requests to Claude Mythos 5, Claude Fable 5, and Claude Opus 5 and are working on a fix. We will provide an update as soon as possible. </p>