# Beam is out — free on OpenCode Zen

Beam 1.0 501B A23B: Open weights. First seen 16 Oct 2026 Catalogues list a 1,048,576 tokens context window. 16 evidence links.

- Kind: Sighting
- Developer: Reflection
- Confidence: Observed
- First seen: 2026-10-16T14:05:49.637Z
- Model: [Beam 1.0 501B A23B](https://alexgetman.com/models/reflection/beam-1-0-501b-a23b/)
- Canonical: https://alexgetman.com/signals/2026/10/16/beam-out-free-opencode-zen/

## Evidence links

- [Artificial Analysis · benchmarks](https://artificialanalysis.ai/models)
- [models.dev · catalogue](https://models.dev/#Beam-1.0-501B-A23B)
- [OpenCode Go · models](https://opencode.ai/go)
- [OpenCode Zen · models](https://opencode.ai/zen)
- [models.dev · catalogue](https://models.dev/#beam-free)
- [models.dev · catalogue](https://models.dev/#beam)
- [OpenRouter](https://openrouter.ai/reflection/beam-1.0-501b-a23b)
- [models.dev · catalogue](https://models.dev/#beam-1.0)
- [models.dev · catalogue](https://models.dev/#beam-1.0-501b-a23b)
- [OpenRouter · usage](https://openrouter.ai/rankings)
- [Hugging Face · inference providers](https://huggingface.co/reflection/Beam-1.0-501B-A23B)
- [models.dev · catalogue](https://models.dev/#reflection-beam)
- [Hugging Face · inference providers](https://huggingface.co/reflection/Beam-1.0-501B-A23B-NVFP4)
- [OpenCode · discovery](https://opencode.ai/data/reflection/beam-1-0-501b-a23b)
- [Primary source (reviewed)](https://reflection.ai/blog/introducing-beam)
- [Primary source (reviewed)](https://reflection.ai/blog/beam-is-available)