Opus 5 elevated errors incident resolved

An incident causing elevated errors for Opus 5 on claude-app was resolved on July 26. The issue was identified, fixed, and monitoring confirmed resolution. No further action needed.

Jul 26, 2026Views:0

Impact Assessment

Cost0

Reliability3

Migration0

Quality0

Compliance0

Incident affected reliability for Opus 5 users; now resolved.

Changes

Before

Elevated errors for Opus 5 | https://status.claude.com/incidents/zftg3gqkmv18 | &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt;26&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;09:45&lt;/var&gt; UTC&lt;/small&gt;&lt;br&gt; &lt;strong&gt;Identified&lt;/strong&gt; - The issue has been identified and a fix is being implemented. &lt;/p&gt; &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt;26&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;09:17&lt;/var&gt; UTC&lt;/small&gt;&lt;br&gt; &lt;strong&gt;Investigating&lt;/strong&gt; - We are currently investigating this issue. &lt;/p&gt;

After

Elevated errors for Opus 5 | https://status.claude.com/incidents/zftg3gqkmv18 | &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt;26&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;10:44&lt;/var&gt; UTC&lt;/small&gt;&lt;br&gt; &lt;strong&gt;Resolved&lt;/strong&gt; - This incident has been resolved. &lt;/p&gt; &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt;26&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;10:34&lt;/var&gt; UTC&lt;/small&gt;&lt;br&gt; &lt;strong&gt;Monitoring&lt;/strong&gt; - A fix has been implemented and we are monitoring the results. &lt;/p&gt; &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt;26&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;10:28&lt;/var&gt; UTC&lt;/small&gt;&lt;br&gt; &lt;strong&gt;Update&lt;/strong&gt; - We are continuing to work on a fix for this issue. &lt;/p&gt; &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt;26&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;09:45&lt;/var&gt; UTC&lt;/small&gt;&lt;br&gt; &lt;strong&gt;Identified&lt;/strong&gt; - The issue has been identified and a fix is being implemented. &lt;/p&gt; &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt;26&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;09:17&lt;/var&gt; UTC&lt;/small&gt;&lt;br&gt; &lt;strong&gt;Investigating&lt;/strong&gt; - We are currently investigating this issue. &lt;/p&gt;

Sources

status

Anthropic Status History

Elevated errors for Opus 5 | https://status.claude.com/incidents/zftg3gqkmv18 | <p> <small>Jul <var data-var='date'>26</var>, <var data-var='time'>...

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