Kimi K2: Open Agentic Intelligence
Kimi K2 is a groundbreaking mixture-of-experts language model developed by MoonshotAI, featuring 32 billion activated parameters and 1 trillion total parameters. Designed for exceptional performance in frontier knowledge, reasoning, and coding tasks, Kimi K2 is optimized for agentic capabilities, enabling it to act and solve problems autonomously.

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Experience Kimi K2's powerful conversational abilities • Multimodal interaction support • Intelligent reasoning and creation

What is Kimi K2?
Kimi K2 is a state-of-the-art AI model that leverages the mixture-of-experts architecture to achieve unprecedented scale and performance. With 1 trillion total parameters and 32 billion activated parameters, it represents a significant advancement in AI technology.
- ArchitectureUtilizes a mixture-of-experts (MoE) approach with 384 experts, allowing for efficient and scalable training.
- TrainingPre-trained on 15.5 trillion tokens with zero training instability, ensuring robust and reliable performance.
- OptimizerEmploys the MuonClip Optimizer to enhance token efficiency and prevent logit explosions.
Key Features of Kimi K2
Kimi K2 is engineered with a focus on agentic intelligence, making it ideal for tasks that require autonomous problem-solving and tool use.



How to Use Kimi K2
Access Kimi K2 through our platform or deploy it locally to integrate into your applications.
Advanced Features
Discover the innovative features that set Kimi K2 apart.
Large-Scale Training
Pre-trained on 15.5 trillion tokens for comprehensive knowledge.
MuonClip Optimizer
Advanced optimization for improved performance and stability.
Agentic Intelligence
Designed for autonomous action and problem-solving.
Open-Source Models
Both base and instruct versions available for community use and development.
Kimi K2 Users Say
Early adopters share their experiences with Kimi K2.
John Doe
AI Researcher
Kimi K2 has transformed my research with its deep understanding and problem-solving abilities.
Jane Smith
Software Engineer
The coding assistance from Kimi K2 is unparalleled, saving us countless hours.
Alex Johnson
Data Scientist
Kimi K2's knowledge base is vast and accurate, making it an invaluable tool for data analysis.
Sarah Lee
Developer
The agentic capabilities of Kimi K2 are a game-changer for automating complex workflows.
Michael Chen
Researcher
Kimi K2's performance in benchmarks is impressive, especially for its size.
Emily Wong
AI Enthusiast
As a hobbyist, I'm amazed by how accessible and powerful Kimi K2 is.
Frequently Asked Questions
Answers to common inquiries about Kimi K2.
What is the difference between Kimi-K2-Base and Kimi-K2-Instruct?
Kimi-K2-Base is for fine-tuning, while Kimi-K2-Instruct is ready for general chat and agentic tasks.
How can I access Kimi K2?
Through our API or by downloading the models from Hugging Face.
What are the system requirements for running Kimi K2 locally?
High RAM capacity and compatible inference engines are recommended.
Is Kimi K2 free to use?
The open-source models are free, but API usage may incur costs.
How does Kimi K2 compare to other AI models?
It often leads in benchmarks for knowledge, reasoning, and coding tasks.
Can Kimi K2 be used for commercial purposes?
Yes, both the open-source models and API are available for commercial use.
What is the context length of Kimi K2?
Kimi K2 supports a context length of 128K tokens.
Does Kimi K2 support multilingual capabilities?
Yes, it performs well in multilingual benchmarks like SWE-bench Multilingual.
How was Kimi K2 trained?
It was pre-trained on 15.5 trillion tokens using the Muon optimizer.
Is technical support available for Kimi K2?
Yes, contact [email protected] for assistance.
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Join the future of AI with Kimi K2.