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Beam-1.0-501B-A23B

byreflectionreflection· 16 Oct 2026
General purpose

The long awaited open model by Reflection, making it the strongest open American model released under a permissive license (Apache 2.0). While not the smartest open model available, Beam is very impressively token efficient (second to only GPT-6-Astra below). This is a sign of a well-developed post-training stack.

Specs
Params501B
LicenseApache-2.0
Adoption · Hugging Face
RAM score
Relative Adoption Metric pending. The first score is available 7 days after release.
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Relative Adoption Metric pending. The first score is available 7 days after release.

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