Apache Beam6 min read
Reflection AI Beam: the 501B open weight model, explained
Reflection AI Beam is a 501B parameter open weight model. Size, Reflection's own scores, licence and when you can get it, checked 6 Oct 2026.
By Chaitanya GiriMunder Difflin Blog
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Originally published by Munder Difflin Blog on Oct 6, 2026.
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