Beam — reviews, specs & pricing

Reflection's first open-weight model: a sparse MoE with 501B total and 23B active parameters for coding, reasoning and agentic work.

Summary

Open 501B (23B active) MoE for coding and agents.

Sample use case

Coding, reasoning and agentic workloads

Specifications

• Provider: reflection
• License: open-weight
• Parameters: 501B
• Released: 2026-10-05

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