Claude Opus 4.1 incident resolved, Opus 4.5 incident removed from status — ModelPriceLab

Changes/Claude Opus 4.1 incident resolved, Opus 4.5 incident removed from status

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Claude Opus 4.1 incident resolved, Opus 4.5 incident removed from status

An elevated errors incident for Claude Opus 4.1 on Jul 22 was resolved after about 26 minutes. A separate resolved incident for Opus 4.5 from Jul 20 was removed from the status history, likely due to age or cleanup.

Jul 22, 2026Views:0

Impact Assessment

Cost0

Reliability2

Migration0

Quality0

Compliance0

Both incidents are resolved. The Opus 4.1 incident had a short duration (08:34 to 09:00 UTC) and minimal impact. The Opus 4.5 removal is likely routine cleanup.

Changes

Before

Elevated error rates for Opus 4.5 | https://status.claude.com/incidents/hlt0yqp4lkww | &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;12:48&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;10:57&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;10:05&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;20&lt;/var&gt;, &lt;var data-var=&apos;time&apos;&gt;07:57&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;07:03&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 Claude Opus 4.1 | https://status.claude.com/incidents/xvbzmkjbzh0x | &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;09:00&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;08:45&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;08:34&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;

Sources

status

Anthropic Status History

Elevated errors for Claude Opus 4.1 | https://status.claude.com/incidents/xvbzmkjbzh0x | <p> <small>Jul <var data-var='date'>22</var>, <var data-var='time&...

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