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AIMarketCap

Beam

Model
ReflectionFamily Reflection Open Modelsactive

Open-weight 501B-parameter sparse mixture-of-experts model with 23B active parameters, built for coding, reasoning and agentic workloads.

Released
Oct 5, 2026
Context window
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Modality
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Open source
Yes
API available
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Releases
1

Releases

1
Oct 5, 2026Reflection releases BeamBeam · Beam

Reflection released Beam, a 501B-total-parameter sparse mixture-of-experts model with 23B active parameters for coding, reasoning and agentic work.

Reflection Model releaseReflectionBeam