AI brief
Reflection released Beam, its first open-weight model. It is a mixture-of-experts system that activates 23 billion of its 501 billion parameters per token and aims to match GLM 5.2 on coding and reasoning with three to four times less compute.
Why it matters: It is described as the most capable open-weight model built outside China.
Written by AI from The Decoder's published text.
Source
“Reflection has released Beam, its first open-weight model. The mixture-of-experts system activates just 23 billion of its 501 billion parameters per token and aims to match GLM 5.2 on coding and reasoning while using three to four times less compute.”
Reporting from a publisher outside the organisation being covered.
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