BitNet

BitNet

Microsoft
Kimi K3.1 Pro

Kimi K3.1 Pro

Moonshot AI
+
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About

The BitNet b1.58 2B4T is a cutting-edge 1-bit Large Language Model (LLM) developed by Microsoft, designed to enhance computational efficiency while maintaining high performance. This model, built with approximately 2 billion parameters and trained on 4 trillion tokens, uses innovative quantization techniques to optimize memory usage, energy consumption, and latency. The platform supports multiple modalities and is particularly valuable for applications in AI-powered text generation, offering substantial efficiency gains compared to full-precision models.

About

Kimi K3.1 Pro is a multimodal large language model developed by Moonshot AI for advanced reasoning, software development, 3D modeling, financial analysis, and autonomous AI agent workflows. The model uses a mixture-of-experts architecture with approximately 2.8 trillion total parameters and 104 billion active parameters, supporting a context window of one million tokens. Its coding capabilities include debugging existing applications, generating complete software projects, developing interactive websites, and creating applications with game engines. Kimi K3.1 Pro can analyze images, interpret spatial relationships, generate CAD scripts, and create three-dimensional assets from text descriptions or visual references. Its reasoning and tool-use capabilities support financial modeling, investment research, document analysis, and multistep business workflows. The model is available through Kimi's web and mobile applications, Kimi Work, Kimi Code, and the Kimi API, with a Highspeed variant.

Platforms Supported

Windows Supported
Mac Supported
Linux Supported
Cloud Not 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

AI developers, researchers, and enterprises looking for a highly efficient, scalable Large Language Model (LLM) that delivers high performance with reduced memory usage, energy consumption, and latency

Audience

Software developers, AI engineers, researchers, financial analysts, and teams building applications or agentic workflows with AI models.

Support

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

No images available

Screenshots and Videos

Pricing

Free
Open source
Free Version Supported
Free Trial Not Supported

Pricing

$2 per 1M tokens
API usage is pay-as-you-go: $2 per million input tokens and $10 per million output tokens. Cached input is $0.20 per million tokens; cache writes are $2 per million tokens. Kimi Code also provides tier-based membership access, with quotas and context limits depending on the tier.
Free Version Not 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:

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Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5

Pros & Cons from Real Users

Pros

  • I can give it a large coding job, a research project, or a multi-step agent workflow and it does a much better job staying organized all the way through. Coding is probably the biggest jump. Moonshot reports a 65.7% score on Terminal-Bench 4.0, ahead of GPT-6 Astra’s reported 58.2% and just behind Claude Opus 5.5 at 66.4%. It feels especially good for terminal work, repo-level changes, and tasks where the agent has to keep using tools for a while. The 1M-token context window is also genuinely useful. I can keep a huge amount of source code, documentation, financial material, screenshots, and prior work in context without constantly trimming things down.

Cons

  • The main downside is that the full weights are not available yet. Moonshot says they will be released soon, so the open-weight story is promising, but I would wait for that release before judging local deployment and customization.

Training

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

Training

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

Company Information

Microsoft
Founded: 1975
United States
microsoft.com

Company Information

Moonshot AI
Founded: 2023
China
www.kimi.ai/

Alternatives

Kimi K2 Thinking

Kimi K2 Thinking

Moonshot AI

Alternatives

GPT-6.1 Sol

GPT-6.1 Sol

OpenAI
Kimi K2

Kimi K2

Moonshot AI
Kimi K3

Kimi K3

Moonshot AI

Categories

AI Models Supported

Categories

Integrations

C Not Supported
C# Not Supported
C++ Not Supported
CSS Not Supported
Cline Not Supported
Cosmos Not Supported
EaseMate AI Not Supported
Java Not Supported
JavaScript Not Supported
Kotlin Not Supported
NVIDIA TensorRT Not Supported
Odysseus Not Supported
Offloop Not Supported
OpenClaw Not Supported
OpenCode Not Supported
Pi Agent Not Supported
R Not Supported
Rapid Claw Not Supported
Solidity Not Supported
YAML Not Supported

Integrations

C Supported
C# Supported
C++ Supported
CSS Supported
Cline Supported
Cosmos Supported
EaseMate AI Supported
Java Supported
JavaScript Supported
Kotlin Supported
NVIDIA TensorRT Supported
Odysseus Supported
Offloop Supported
OpenClaw Supported
OpenCode Supported
Pi Agent Supported
R Supported
Rapid Claw Supported
Solidity Supported
YAML Supported
Claim BitNet and update features and information
Claim BitNet and update features and information
Claim Kimi K3.1 Pro and update features and information
Claim Kimi K3.1 Pro and update features and information