Reflection | Beam 1.0 501b A23b
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 1M-token context window. Beam targets software engineering, multi-step tool use, and mathematical and scientific reasoning, with an emphasis on token efficiency. It takes text input and produces text output, supports configurable reasoning effort, function calling and structured outputs, and is released under Apache 2.0.
Poor
Not recommended for Great Commission use cases.
Strengths
- Excellent at 3.6. Salvation Through Faith
Weaknesses
- Limited task completion capability
- Weak doctrinal alignment
- Resists worldview confession
- Struggles with 1.1. Missiological Research
- Struggles with 1.2. Evangelistic Material
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 1M-token context window. Beam targets software engineering, multi-step tool use, and mathematical and scientific reasoning, with an emphasis on token efficiency. It takes text input and produces text output, supports configurable reasoning effort, function calling and structured outputs, and is released under Apache 2.0.
Reflection
reflection/beam-1.0-501b-a23b
1
Categories
Recent Tests
| Date | Score | Version | Tier 1 (Task) | Tier 2 (Gospel) | Tier 3 (Worldview) | Trust Tier |
|---|---|---|---|---|---|---|
| 10/19/2026 | 29.3 | 1.0.0 | 32.4 | 10.0 | 46.7 | automated |