Reflection's Beam is open: 23B active, but you still have to fit 501B
This story is from 2026-10-18. It is preserved in the archive; the latest stories are on the live feed.
Reflection released the weights for Beam on October 16, 2026. It is the lab's first open-weight model: a sparse mixture-of-experts (MoE) model with 501B total parameters, about 23B active per token, a 1M-token context window, and an Apache 2.0 license. Most posts stopped at the headline numbers. Th…
Read the full story at DEV Community — Machine Learning ↗
Timeline · 1 report
- 2026-10-18 14:27 · DEV Community — Machine Learning
Reflection's Beam is open: 23B active, but you still have to fit 501B