Beam
Beam is Reflection's open sparse mixture-of-experts model, with 501B total and 23B active parameters under Apache 2.0
Free
Code
501B total, 23B active
parameters
Apache-2.0
license
Oct 2026
released
Beam is Reflection’s open sparse mixture-of-experts model, with 501B total and 23B active parameters under Apache 2.0. It is built for coding, reasoning, and agentic work.