---
title: reflection/Beam-1.0-501B-A23B
url: https://recentmodel.com/models/reflection/Beam-1.0-501B-A23B/
status: main board
published: 2026-10-07T19:52:01Z
updated: 2026-10-07T19:52:01Z
source: https://huggingface.co/reflection/Beam-1.0-501B-A23B
---

# reflection/Beam-1.0-501B-A23B

Beam is an open model built by Reflection. Mixture-of-experts, 501B total, 23B active (256 experts, 8 per token). Context: 1M tokens (config). License: apache-2.0.


- **Org:** reflection
- **Released:** 2026-10-07
- **Status:** main board
- **License:** apache-2.0 (permissive)
- **Parameters:** 501.3B total, 23.0B active
- **Architecture:** MoE · 256 experts, 8/token · BeamForCausalLM
- **Context:** 1,048,576 tokens
- **Task:** text-generation · text
- **Signal:** 258 HF likes · 5510 downloads · 1 X post(s)

## Runs on

real quant files; sizing calculation, not tested.

- Q4 ~309.2 GB: Mac 512GB
- Q8 ~535.5 GB: no listed device
- FP16 ~1005.4 GB: no listed device

## Links

- [Hugging Face](https://huggingface.co/reflection/Beam-1.0-501B-A23B)
- [Ollama](https://ollama.com/library/beam)
- [GGUF: bartowski/Beam-1.0-501B-A23B-GGUF](https://huggingface.co/bartowski/Beam-1.0-501B-A23B-GGUF)
- [GGUF: unsloth/Beam-1.0-501B-A23B-GGUF](https://huggingface.co/unsloth/Beam-1.0-501B-A23B-GGUF)