Reflection has released the weights for Beam, its 501-billion-parameter mixture-of-experts model, on Hugging Face under an Apache 2.0 licence. Baseten offers day-zero support through its Model APIs and dedicated inference.

Beam was first introduced on October 5 while it finished red-teaming and evaluations, with early access by waitlist. The release includes a model card with final benchmarks and a safety technical report, and Reflection frames the launch as an open ecosystem of more than 40 partners and integrations for agents.

A public beta of Reflection's own API at platform.reflection.ai is free to start. Named launch platforms span the major clouds and inference providers, with Dell and HPE offering on-premises deployment for sovereign and air-gapped environments.