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  <title>MATRIX · Beam</title>
  <link>https://derekwang2002.github.io/ai-intelligence/en/projects/beam/</link>
  <description>Material changes in AI models, agents, engineering and infrastructure, with primary sources and recommendations.</description>
  <language>en</language>
  <lastBuildDate>Mon, 02 Nov 2026 16:56:00 GMT</lastBuildDate>
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    <title>Beam moves from limited preview to Apache-2.0 open weights</title>
    <link>https://derekwang2002.github.io/ai-intelligence/en/events/ev-20261005-06/</link>
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    <pubDate>Fri, 16 Oct 2026 15:56:07 GMT</pubDate>
    <category>Update</category>
    <category>TRIAL</category>
    <description>&lt;p&gt;Beam moves from limited preview to Apache-2.0 open weights&lt;/p&gt;&lt;p&gt;Original story: Reflection previews Beam, a 501B-parameter open-weight coding model&lt;/p&gt;&lt;p&gt;&lt;strong&gt;Why read: &lt;/strong&gt;Beam moves from an untestable preview to Apache-2.0 open weights, changing the judgment from waiting to trial.&lt;/p&gt;&lt;p&gt;Recommendation: TRIAL&lt;/p&gt;&lt;p&gt;Sources: &lt;a href=&quot;https://huggingface.co/blog/reflectionai/beam&quot;&gt;Beam open release&lt;/a&gt;&lt;/p&gt;</description>
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  <item>
    <title>Reflection previews Beam, a 501B-parameter open-weight coding model</title>
    <link>https://derekwang2002.github.io/ai-intelligence/en/events/ev-20261005-06/</link>
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    <pubDate>Tue, 06 Oct 2026 16:01:24 GMT</pubDate>
    <category>New</category>
    <category>TRIAL</category>
    <description>&lt;p&gt;Beam is now available as Apache-2.0 BF16, FP8 and NVFP4 weights, with Transformers, vLLM and SGLang paths plus a hosted Hugging Face endpoint recipe. The sparse model has 501B total and 23B active parameters with 1M context. Reference hosted deployment uses eight H200 GPUs at about $40 per hour; benchmark claims remain vendor-run.&lt;/p&gt;&lt;p&gt;Recommendation: TRIAL&lt;/p&gt;&lt;p&gt;Sources: &lt;a href=&quot;https://reflection.ai/blog/introducing-beam&quot;&gt;Introducing Beam&lt;/a&gt;&lt;/p&gt;</description>
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