AIVentureBeat1h ago
Reflection AI releases Apache 2.0-licensed weights for Beam
Reflection AI releases Apache 2.0-licensed weights for Beam, a 501B-parameter model, trained with RL that penalized unnecessary tokens
TL;DROpen-source 501B model trained to use fewer tokens, released under permissive license.
Why it matters: Challenges closed-model dominance; efficiency gains reduce inference costs for developers.
Reflection AI today released the weights of Beam, its first open model, and is pitching it against the Chinese open models that many U.S. companies …
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