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<title>Benchfolio · What changed</title>
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<description>New leaders, new models, first ranks and climbs into the top 5 in the Benchfolio AI model rankings.</description>
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<title>Claude Fable 5.1 takes #1 in Math. 7 more changes.</title>
<link>https://benchfolio.pages.dev/changes#day-2026-09-28</link>
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<pubDate>Mon, 28 Sep 2026 12:00:00 GMT</pubDate>
<description>&lt;ul&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/math&quot;&gt;Claude Fable 5.1 takes #1 in Math.&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/writing&quot;&gt;Claude Opus 5.5 takes #1 in Writing.&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/math&quot;&gt;Claude Fable 5 climbs to #2 in Math, from #3.&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/math&quot;&gt;Claude Opus 5 climbs to #3 in Math, from #4.&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/coding&quot;&gt;GPT-5.5 climbs to #5 in Coding, from #6.&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/writing&quot;&gt;DeepSeek V4.1 Flash enters Writing at #23.&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/writing&quot;&gt;GPT-6 Sol enters Writing at #43.&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/writing&quot;&gt;Grok 4.7 enters Writing at #43.&lt;/a&gt;&lt;/li&gt;&lt;/ul&gt;</description>
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<title>Claude Opus 5.5 takes #1 in Design. 5 more changes.</title>
<link>https://benchfolio.pages.dev/changes#day-2026-09-25</link>
<guid isPermaLink="true">https://benchfolio.pages.dev/changes#day-2026-09-25</guid>
<pubDate>Fri, 25 Sep 2026 12:00:00 GMT</pubDate>
<description>&lt;ul&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/design&quot;&gt;Claude Opus 5.5 takes #1 in Design.&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/model/claude-opus-5-5&quot;&gt;Now tracking Claude Opus 5.5.&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/model/gpt-6-sol&quot;&gt;Now tracking GPT-6 Sol.&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/model/grok-4-7&quot;&gt;Now tracking Grok 4.7.&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/design&quot;&gt;GPT-6 Sol enters Design at #5.&lt;/a&gt;&lt;/li&gt;&lt;li&gt;&lt;a href=&quot;https://benchfolio.pages.dev/design&quot;&gt;Grok 4.7 enters Design at #9.&lt;/a&gt;&lt;/li&gt;&lt;/ul&gt;</description>
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