Model release 16 Oct 2026 · Reflection AI · US · Impact 2/5 ●●○○○

Reflection AI releases Beam 1.0 open-weights model (501B)

Why it matters to executives

1. US lab publishes a 501B-parameter (23B active) open-weights model.
2. Adds a US-origin option to the open-weights field.
3. Open weights let regulated firms run models in their own cloud.

Sources

• benchlm.ai

Related

• NVIDIA releases Nemotron 3.5 open models
• Mistral Large 4 ('Le Chonk') public preview

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