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Reflection Beam

by Reflection AI

Try itWebsite

Reflection AI's 501B-parameter open-weight mixture-of-experts model for coding, reasoning and agentic workloads.

Available in EULanguage ModelsModel

Updated EU status checked Last shown

Reflection Beam at a glance

What is Reflection Beam?
Reflection Beam is a model from Reflection AI. Reflection AI's 501B-parameter open-weight mixture-of-experts model for coding, reasoning and agentic workloads.
Who makes Reflection Beam?
Reflection Beam is made by Reflection AI.
Does Reflection Beam work in the EU?
Available in the EU. Open-weight model deployable on-prem, in private cloud and on sovereign infrastructure via partners, and Reflection's privacy policy has a European Region version for EEA users. No explicit EU exclusion was found, though no formal supported-countries list was seen. Last verified 14 Nov 2026.
How much does Reflection Beam cost?
API pricing. Served through Reflection's API platform and partner managed endpoints; pricing not stated in the provided material.
Where was Reflection Beam shown?
In 1 creator video by Matt Wolfe. Most recently by Matt Wolfe on 9 Oct 2026, at 25:26 in “AI News: Haiku-5.5, Visual ChatGPT, Grok's New Trick, and more!”.

Sources: the vendor's own pages (linked above) and creator videos at the linked timestamps. EU status is information, not legal advice; see how we check.

About

Beam is the first open-weight model from Reflection AI, a US company focused on open models. It is a 501B-parameter mixture-of-experts (MoE) model built for coding, reasoning and agentic workloads. Creator coverage describes it as comparable to Chinese open-weight models and slightly behind them on agentic coding.

Reflection says it works with partners across the open ecosystem on inference, quantization, fine-tuning, reinforcement learning, agent harnesses, evaluation and observability. Partners make Beam available through managed endpoints, cloud platforms, on-premises systems and sovereign infrastructure. Reflection also offers its own API platform and deployment into private cloud, on-prem, air-gapped and edge environments, plus forward-deployed engineering support.

The provided material does not state the license, exact release date, pricing or context length. One early creator report said access was limited to early testers, while the vendor's blog title ("Beam is available") suggests broader availability later.

Key features
  • 501B-parameter mixture-of-experts architecture
  • Open weights that can be inspected, fine-tuned and deployed
  • Aimed at coding, reasoning and agentic workloads
  • Available via Reflection's API, partner endpoints, cloud, on-prem and sovereign infrastructure
  • Supported by partners for inference, quantization, fine-tuning and RL
1 moment

As seen on YouTube

Watch the moment: the exact second top creators show it. Videos load only when you press play, via youtube-nocookie.com.

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