Elevated errors for Claude Fable 5 models resolved

An incident causing elevated errors on requests to some models, primarily Claude Fable 5, was identified and resolved. Success rates returned to normal after investigation and mitigation.

Jul 7, 2026Views:0

Impact Assessment

Cost0

Reliability3

Migration0

Quality1

Compliance0

Elevated errors affected reliability for specific models, but service has been restored. No cost, migration, or compliance impact.

Changes

Before

Elevated errors for some models | https://status.claude.com/incidents/l9zyw879cyd6 | &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt; 7&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;20:28&lt;/var&gt; UTC&lt;/small&gt;&lt;br&gt; &lt;strong&gt;Identified&lt;/strong&gt; - We have seen success rates return to normal, but we are continuing to work to fully resolve this issue and ensure no further recurrences. &lt;/p&gt; &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt; 7&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;20:02&lt;/var&gt; UTC&lt;/small&gt;&lt;br&gt; &lt;strong&gt;Investigating&lt;/strong&gt; - We are investigating elevated errors on requests to some models. We will provide an update as soon as possible. &lt;/p&gt;

After

Elevated errors for some models | https://status.claude.com/incidents/l9zyw879cyd6 | &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt; 7&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;21:47&lt;/var&gt; UTC&lt;/small&gt;&lt;br&gt; &lt;strong&gt;Update&lt;/strong&gt; - We are continuing to work to resolve an issue resulting in elevated errors on requests to some models, primarily Claude Fable 5. We will provide an additional update as soon as possible. &lt;/p&gt; &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt; 7&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;20:28&lt;/var&gt; UTC&lt;/small&gt;&lt;br&gt; &lt;strong&gt;Identified&lt;/strong&gt; - We have seen success rates return to normal, but we are continuing to work to fully resolve this issue and ensure no further recurrences. &lt;/p&gt; &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt; 7&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;20:02&lt;/var&gt; UTC&lt;/small&gt;&lt;br&gt; &lt;strong&gt;Investigating&lt;/strong&gt; - We are investigating elevated errors on requests to some models. We will provide an update as soon as possible. &lt;/p&gt;

Sources

status

Anthropic Status History

Elevated errors for some models | https://status.claude.com/incidents/l9zyw879cyd6 | <p> <small>Jul <var data-var='date'> 7</var>, <var data-var='time&apos...

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