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Kimi K2 Model

Kimi K2: Next-Gen Moonshot AI

Moonshot AI's latest model with enhanced reasoning, agentic tool use, and the ultra-long context window that made Kimi famous.

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What is Kimi K2?

Kimi K2 is Moonshot AI's next-generation model, building on the ultra-long context capabilities that made Kimi famous. K2 adds significantly improved reasoning, agentic tool use, and better multi-step task execution.

K2 maintains the massive context window for processing entire documents while introducing enhanced capabilities for complex workflows, research tasks, and autonomous tool use. It represents a major evolution of the Kimi platform.

Capabilities

What Kimi K2 can do

Ultra-Long Context
Process hundreds of thousands of tokens - entire books, codebases, and document collections.
Enhanced Reasoning
Improved chain-of-thought reasoning for complex analytical and scientific tasks.
Agentic Tool Use
Autonomously use tools and APIs to complete multi-step tasks and workflows.
Deep Document Analysis
Analyze entire research papers, legal contracts, and technical documentation.
Advanced Coding
Understand large codebases, generate code, and assist with complex debugging.
Bilingual Fluency
Native-level Chinese and English with strong multilingual capabilities.
Getting Started

How to use Kimi K2

Open the chat
Click "Open Chat" to access Kimi K2 for free.
Provide your input
Paste documents, code, or ask complex questions - K2 handles massive context.
Get detailed analysis
Receive thorough, well-reasoned responses with comprehensive analysis.
Explore further
Ask follow-ups to drill into specific details or sections.
Export results
Copy analysis and summaries for your research or projects.
FAQ

Frequently Asked Questions

Yes, Kimi K2 is completely free on chatgpt.org.

K2 adds improved reasoning, agentic tool use, and better multi-step task handling while keeping the ultra-long context.

K2 maintains Kimi's famous ultra-long context window, capable of processing hundreds of thousands of tokens.

K2 can autonomously use tools and APIs to complete complex, multi-step tasks without manual intervention.

Excellent. K2's long context and improved reasoning make it ideal for analyzing lengthy documents.

Kimi K2 was developed by Moonshot AI, a leading Chinese AI research company.

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