Beam

Beam

Reflection
+
+

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About

Beam is Reflection’s first open-weight model, a sparse Mixture-of-Experts model with 501 billion total parameters and 23 billion active parameters, built for coding, reasoning, and agentic workloads. Its capabilities come from large-scale pretraining and reinforcement learning, including training on 23.8 trillion diverse, curated, high-quality tokens from the web, public sources, and proprietary licensed datasets. Beam was trained with a particular focus on coding and agentic performance and is designed to deliver competitive open-weight capabilities with efficient inference compute. It supports complex software engineering, terminal, STEM, web search, tool-use, and general knowledge tasks, with reinforcement learning designed to improve multi-step reasoning, tool use, and adaptation to environment feedback. Users can control the tradeoff between performance and token usage through a reasoning effort parameter.

About

Qwen3‑Coder is an agentic code model available in multiple sizes, led by the 480B‑parameter Mixture‑of‑Experts variant (35B active) that natively supports 256K‑token contexts (extendable to 1M) and achieves state‑of‑the‑art results on Agentic Coding, Browser‑Use, and Tool‑Use tasks comparable to Claude Sonnet 4. Pre‑training on 7.5T tokens (70 % code) and synthetic data cleaned via Qwen2.5‑Coder optimized both coding proficiency and general abilities, while post‑training employs large‑scale, execution‑driven reinforcement learning and long‑horizon RL across 20,000 parallel environments to excel on multi‑turn software‑engineering benchmarks like SWE‑Bench Verified without test‑time scaling. Alongside the model, the open source Qwen Code CLI (forked from Gemini Code) unleashes Qwen3‑Coder in agentic workflows with customized prompts, function calling protocols, and seamless integration with Node.js, OpenAI SDKs, and more.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Supported
On-Premises Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not Supported
On-Premises Not Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

Developers, AI researchers, and engineering teams requiring a tool to run coding, reasoning, tool-use, and agentic workloads with an efficient open-weight language model

Audience

AI researchers and software engineers interested in a tool providing an agentic coding model with large‑context support and turnkey CLI tools for real‑world, and automated code generation

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

Support

Phone Support Not Supported
24/7 Live Support Not Supported
Online Supported

API

Offers API Not Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

Pricing

No information available.
Free Version Not Supported
Free Trial Not Supported

Pricing

Free
Free Version Supported
Free Trial Not Supported

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Reviews/Ratings

Overall 0.0 / 5
ease 0.0 / 5
features 0.0 / 5
design 0.0 / 5
support 0.0 / 5

This software hasn't been reviewed yet. Be the first to provide a review:

Review this Software

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Training

Documentation Supported
Webinars Not Supported
Live Online Supported
In Person Not Supported

Company Information

Reflection
United States
reflection.ai/blog/introducing-beam

Company Information

Qwen
Founded: 2023
China
github.com/QwenLM/qwen-code

Alternatives

GLM-5.3

GLM-5.3

Z.ai

Alternatives

Kimi K3

Kimi K3

Moonshot AI
Qwen3.8-Max

Qwen3.8-Max

Alibaba
MiMo Code

MiMo Code

Xiaomi Technology
Inkling

Inkling

Thinking Machines Lab
Qwen3.5

Qwen3.5

Alibaba

Categories

AI Models Supported

Categories

Agentic AI Supported
AI Coding Agents Supported

Integrations

Claude Fable 5 Not Supported
Claude Mythos 5 Not Supported
Claude Mythos 5.1 Not Supported
Claude Opus 4.1 Not Supported
Claude Opus 4.5 Not Supported
Claude Opus 4.7 Not Supported
Claude Opus 5 Not Supported
Claude Opus 5.5 Not Supported
Claude Sonnet 4.5 Not Supported
Claude Sonnet 4.6 Not Supported
Melaya Not Supported
Node.js Not Supported
OpenAI Not Supported
OpenSpec Not Supported
Qwen3.8-27B Not Supported
Qwen3.8-Flash-Next Not Supported
Qwen3.8-Max Not Supported
Qwen3.8-Omni-Flash Not Supported
Step 5 Preview Not Supported
SuperBased Not Supported

Integrations

Claude Fable 5 Supported
Claude Mythos 5 Supported
Claude Mythos 5.1 Supported
Claude Opus 4.1 Supported
Claude Opus 4.5 Supported
Claude Opus 4.7 Supported
Claude Opus 5 Supported
Claude Opus 5.5 Supported
Claude Sonnet 4.5 Supported
Claude Sonnet 4.6 Supported
Melaya Supported
Node.js Supported
OpenAI Supported
OpenSpec Supported
Qwen3.8-27B Supported
Qwen3.8-Flash-Next Supported
Qwen3.8-Max Supported
Qwen3.8-Omni-Flash Supported
Step 5 Preview Supported
SuperBased Supported
Claim Beam and update features and information
Claim Beam and update features and information
Claim Qwen Code and update features and information
Claim Qwen Code and update features and information