Beam

Beam

Reflection
GLM-5

GLM-5

Z.ai
+
+

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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

GLM-5 is Z.ai’s latest large language model built for complex systems engineering and long-horizon agentic tasks. It scales significantly beyond GLM-4.5, increasing total parameters and training data while integrating DeepSeek Sparse Attention to reduce deployment costs without sacrificing long-context capacity. The model combines enhanced pre-training with a new asynchronous reinforcement learning infrastructure called slime, improving training efficiency and post-training refinement. GLM-5 achieves best-in-class performance among open-source models across reasoning, coding, and agent benchmarks, narrowing the gap with leading frontier models. It ranks highly on evaluations such as Vending Bench 2, demonstrating strong long-term planning and operational capabilities. The model is open-sourced under the MIT License.

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 Supported
On-Premises 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, developers, and engineering teams seeking an open-source, high-performance foundation model for advanced reasoning, coding, and long-horizon agentic applications

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 Supported

Screenshots and Videos

Screenshots and Videos

Pricing

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

Pricing

Free
Open source
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

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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 Not Supported
In Person Not Supported

Company Information

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

Company Information

Z.ai
Founded: 2023
China
z.ai/

Alternatives

GLM-5.3

GLM-5.3

Z.ai

Alternatives

Kimi K3

Kimi K3

Moonshot AI
Claude Opus 4.5

Claude Opus 4.5

Anthropic
Qwen3.8-Max

Qwen3.8-Max

Alibaba
Claude Opus 4.6

Claude Opus 4.6

Anthropic
Inkling

Inkling

Thinking Machines Lab
GLM-5.3

GLM-5.3

Z.ai
Qwen3.5

Qwen3.5

Alibaba

Categories

AI Models Supported

Categories

AI Coding Models Supported
AI Models Supported
Foundation Models Supported

Integrations

APIFree Not Supported
Cheaper Inference Not Supported
Cherry Studio Not Supported
Claude Code Not Supported
Claw Code Not Supported
Cline Not Supported
Dessix Not Supported
GLM-5-Turbo Not Supported
Kilo Code Not Supported
Ollama Not Supported
OpenClaw Not Supported
OpenRouter Not Supported
Oxlo.ai Not Supported
Qoder Not Supported
Roo Code Not Supported
Shiori Not Supported
Sup AI Not Supported
Tabbit Browser Not Supported
Yonoo Not Supported
Zo Computer Not Supported

Integrations

APIFree Supported
Cheaper Inference Supported
Cherry Studio Supported
Claude Code Supported
Claw Code Supported
Cline Supported
Dessix Supported
GLM-5-Turbo Supported
Kilo Code Supported
Ollama Supported
OpenClaw Supported
OpenRouter Supported
Oxlo.ai Supported
Qoder Supported
Roo Code Supported
Shiori Supported
Sup AI Supported
Tabbit Browser Supported
Yonoo Supported
Zo Computer Supported
Claim Beam and update features and information
Claim Beam and update features and information
Claim GLM-5 and update features and information
Claim GLM-5 and update features and information