Beam 1.0 501B A23B
by Reflection
Beam 1.0 is Reflection's open-weight reasoning model for coding and long-horizon agentic workflows. It uses a sparse mixture-of-experts architecture with 501B total and 23B active
Models
Beam 1.0 501B A23B
Added 16 Oct 2026
Overview
Beam 1.0 is Reflection's open-weight reasoning model for coding and long-horizon agentic workflows. It uses a sparse mixture-of-experts architecture with 501B total and 23B active parameters per token, and a...
How to use / API access
Call via OpenRouter with model id `reflection/beam-1.0-501b-a23b`.
- openrouter ·
reflection/beam-1.0-501b-a23bDocs
OpenRouter id: reflection/beam-1.0-501b-a23b
Notes
Beam 1.0 501B A23B is listed in the EDNA Models directory from the OpenRouter catalogue.
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