Claude App incidents resolved for Sonnet 5, Opus 4.8, Haiku 4.5

Two incidents affecting Claude App models (Sonnet 5, Opus 4.8, Haiku 4.5) on July 22 have been resolved. A separate Haiku 4.5 incident from July 20 was also resolved. All services are now operating normally.

Jul 22, 2026Views:0

Impact Assessment

Cost0

Reliability2

Migration0

Quality0

Compliance0

Incidents are now resolved. No ongoing impact. Historical record only.

Changes

Before

Elevated errors on Opus 4.8 and Haiku 4.5 | https://status.claude.com/incidents/f7w8qkd8z57f | &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt;22&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;15:06&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;22&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;14:18&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. Haiku 4.5 has recovered &lt;/p&gt; &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt;22&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;14:16&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;22&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;13:37&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;
Elevated errors on Haiku 4.5 | https://status.claude.com/incidents/s39rkbp2xhpd | &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt;20&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;15:41&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;20&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;15:33&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;20&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;15:09&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;20&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;13:20&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 error rates for Sonnet 5 | https://status.claude.com/incidents/6h7589wl6l45 | &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt;22&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;16:12&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;22&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;15:36&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;22&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;15:24&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;
Elevated errors on Opus 4.8 and Haiku 4.5 | https://status.claude.com/incidents/f7w8qkd8z57f | &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt;22&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;15:23&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;22&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;15:06&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;22&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;14:18&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. Haiku 4.5 has recovered &lt;/p&gt; &lt;p&gt; &lt;small&gt;Jul &lt;var data-var=&apos;date&apos;&gt;22&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;14:16&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;22&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;13:37&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 error rates for Sonnet 5 | https://status.claude.com/incidents/6h7589wl6l45 | <p> <small>Jul <var data-var='date'>22</var>, <var data-var='time&ap...

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