🎉 Reflection-Beam-1.0 has Day-0 support in vLLM.
501B total parameters, 23B active per token, and a 1M-token context window. Beam combines hybrid attention with Harmony-format reasoning and tool use.
Beam also has Day-0 RL support in SkyRL: LoRA, BF16 full fine-tuning and MXFP8 RL, with vLLM rollouts.
We worked with Reflection and Inferact on the serving path, from fused kernels to DFlash. Here is what is under the hood. 🧵
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