Reflection Beam-1.0-501B-A23B
Readymodel path:accounts/fireworks/models/beam-1p0-501b-a23b
Reflection Beam 1.0 is an open-weight model from Reflection AI for coding, reasoning, and agentic workloads. It uses a sparse Mixture-of-Experts architecture with 501B total / 23B active parameters, pretrained on 23.8T tokens and post-trained with reinforcement learning on 100M+ rollouts.
On-demand deployments allow you to use Reflection Beam-1.0-501B-A23B on dedicated GPUs with Fireworks' high-performance serving stack with high reliability and no rate limits.