Kimi K3.1 Pro

Kimi K3.1 Pro

Moonshot AI
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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.

About

Web3D is a collection of technologies and standards used to create, display, and interact with three-dimensional graphics directly within web browsers. It enables developers to build interactive 3D environments, visualizations, animations, and simulations without requiring users to install dedicated desktop applications. Web3D technologies include WebGL, WebGPU, WebXR, X3D, and browser-based 3D rendering frameworks. These technologies support real-time rendering, lighting, textures, animation, and user interaction with three-dimensional objects. Web3D is used in applications such as virtual product demonstrations, architectural visualization, online gaming, education, engineering, and immersive digital experiences. Its integration with standard web technologies allows 3D content to be delivered across compatible desktop, mobile, and extended reality devices.

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 Supported
iPhone Not Supported
iPad Not Supported
Android Not Supported
Chromebook Not Supported

Audience

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

Audience

Web developers, 3D artists, game developers, software engineers, architects, product designers, educators, researchers, and organizations developing interactive 3D visualizations, simulations, virtual environments, and immersive browser-based experiences

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 Not Supported

API

Offers API Supported

API

Offers API Not Supported

Screenshots and Videos

Screenshots and Videos

No images available

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

Pricing

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

Reviews/Ratings

Overall 5.0 / 5
ease 5.0 / 5

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

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

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

Company Information

Web3D
www.web3d.org

Alternatives

Alternatives

SpriteKit

SpriteKit

Apple
GPT-6.1 Sol

GPT-6.1 Sol

OpenAI
Kimi K2

Kimi K2

Moonshot AI
EdiLus STEEL

EdiLus STEEL

ACCA software
Kimi K3

Kimi K3

Moonshot AI

Categories

Categories

Game Engines Supported

Integrations

AiAssistWorks Supported
Alibaba AI Coding Plan Supported
C Supported
Cheaper Inference Supported
Clarifai Supported
ClinePass Supported
Cloudflare Supported
CoreWeave Supported
Fireworks AI Supported
JetBrains Junie Supported
Kotlin Supported
OpenAI Codex Supported
OpenTag Supported
PowerShell Supported
Rapid Claw Supported
React Supported
SiliconFlow Supported
TypeScript Supported
Visual Studio Code Supported
ZooClaw Supported

Integrations

AiAssistWorks Not Supported
Alibaba AI Coding Plan Not Supported
C Not Supported
Cheaper Inference Not Supported
Clarifai Not Supported
ClinePass Not Supported
Cloudflare Not Supported
CoreWeave Not Supported
Fireworks AI Not Supported
JetBrains Junie Not Supported
Kotlin Not Supported
OpenAI Codex Not Supported
OpenTag Not Supported
PowerShell Not Supported
Rapid Claw Not Supported
React Not Supported
SiliconFlow Not Supported
TypeScript Not Supported
Visual Studio Code Not Supported
ZooClaw Not Supported
Claim Kimi K3.1 Pro and update features and information
Claim Kimi K3.1 Pro and update features and information
Claim Web3D and update features and information
Claim Web3D and update features and information