Reflection AI unveils Beam: open agentic model with 501B total / 23B active params, full weights this month
mchiang0610 · x · 2026-10-06
Reflection AI officially announced Beam, an open agentic model with 501B total parameters and 23B active, claiming frontier reasoning efficiency and advances on Western open-model coding and agentic benchmarks, trained end-to-end from scratch. Full weights release this month. Ollama welcomed the news, saying more US models are coming to its platform.
Related event: Reflection AI Debuts Beam, a 501B-Parameter Open-Weight Model(20 posts)→
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