Kimi K2: Open Agentic Intelligence by Moonshot AI

Explore Kimi K2, the groundbreaking 1T-parameter language model from Moonshot AI. Dive into its revolutionary agentic capabilities, impressive evaluation results, and developer-friendly API.

Key Features of Kimi K2

Large-Scale Training

Pre-trained on a staggering 15.5T tokens, the kimi k2 model handles vast amounts of information with unparalleled stability and depth, setting a new standard for large model training.

Advanced Muon Optimizer

Utilizing a novel Muon optimizer at an unprecedented scale, Moonshot AI developed innovative techniques to resolve instabilities and maximize performance during the model's development.

Agentic Intelligence

More than just a text generator, this kimi ai is an agent. It's meticulously designed for tool use, complex reasoning, and autonomous problem-solving for the most demanding tasks.

Model Variants

Kimi-K2-Base

This is the foundational powerhouse, designed for researchers and developers who need maximum control. It serves as the perfect starting point for deep customization, fine-tuning, and building bespoke AI solutions from the ground up.

Kimi-K2-Instruct

Optimized for immediate use, this model is fine-tuned for general-purpose chat and advanced agentic tasks. It's a "reflex-grade" model that delivers fast, high-quality responses, making it ideal for plug-and-play integration.

Kimi-K2-Instruct vs Leading AI Models

Kimi K2 Instruct performance comparison with DeepSeek V3, Qwen3, OpenAI GPT-4.1, and Claude 4 Opus across various benchmarks

Performance comparison showing Kimi-K2-Instruct leading across multiple benchmarks including coding, mathematics, and reasoning tasks.

Kimi K2 Model Summary

ArchitectureMixture-of-Experts (MoE)

Total Parameters1T

Activated Parameters32B

Context Length128K

Number of Experts384

Selected Experts per Token8

Kimi K2 model architecture summary showing detailed specifications including parameters, layers, and technical configurations

Detailed technical specifications of the Kimi K2 model architecture and configuration.

Kimi K2 Evaluation Results

The Kimi K2 Evaluation Results highlight its position as a leader among AI models. Below are key benchmarks showcasing its state-of-the-art performance across different domains.

MMLU

General Knowledge & Problem Solving

87.8%

MATH

Advanced Mathematical Reasoning

70.2%

LiveCodeBench

Competitive Coding Challenges

53.7%

GSM8k

Grade School Math Word Problems

92.1%

EvalPlus

Code Generation Correctness

80.3%

These results, particularly from the moonshot ai kimi k2 team, demonstrate leading capabilities in coding, math, and reasoning. For developers requiring top-tier performance, the Kimi K2 API provides direct access to these powerful features.

Kimi K2 comprehensive evaluation results showing performance across multiple AI benchmarks including coding, mathematics, and reasoning tasks

Comprehensive evaluation results demonstrating Kimi K2's superior performance across industry-standard benchmarks.

Use Kimi K2 with API

Seamless Integration for Developers

The Kimi Platform provides an OpenAI and Anthropic compatible interface, making it effortless to adapt your existing applications to harness the power of Kimi K2.

🔗 API Compatibility

Drop-in replacement for OpenAI and Anthropic APIs. Switch to Kimi K2 API with minimal code changes.

🤖 Tool Calling API

Build sophisticated agent applications with our advanced tool calling capabilities, perfect for autonomous AI solutions.

Ready to get started? Explore the full potential of moonshot ai kimi k2 and discover how our developer-friendly platform can accelerate your AI projects.

Visit platform.moonshot.ai

Kimi K2 Related Resources

GitHub Repository

GitHub opensource entrance - Access the complete Kimi K2 codebase and contribute to the project.

Deployment Guide

Kimi-K2 Deployment Guide - Comprehensive instructions for deploying and running Kimi K2 models.

License

Kimi K2 license - Review the Modified MIT License terms for using Kimi K2 in your projects.

Official Website

Kimi K2: Open Agentic Intelligence - Official documentation and technical specifications.

Hugging Face

Huggingface Kimi K2 - Download pre-trained models and explore model cards on Hugging Face.

API Platform

Moonshot AI Platform - Access the Kimi K2 API with OpenAI/Anthropic compatibility for developers.

Frequently Asked Questions about Kimi K2

Kimi K2 is a state-of-the-art 1T parameter Mixture-of-Experts (MoE) large language model from Moonshot AI. It's engineered for exceptional performance in reasoning, coding, and especially for 'agentic intelligence,' which allows it to autonomously use tools to accomplish complex tasks.

You can access the Kimi K2 API via the Moonshot AI platform. To ensure easy integration for developers, the API is fully compatible with OpenAI and Anthropic standards, allowing you to incorporate Kimi K2's power into your existing projects with minimal code changes.

Kimi K2 uses a Mixture-of-Experts (MoE) architecture with 1 trillion total parameters. This allows the model to activate specialized 'expert' networks for different tasks, leading to highly efficient and powerful performance without the massive computational cost typically associated with models of this scale.

The Kimi K2 Evaluation Results consistently place it at the top of industry benchmarks. It shows state-of-the-art performance in coding (LiveCodeBench), mathematics (MATH, GSM8k), and general reasoning (MMLU), often outperforming other well-known large language models.

The Kimi AI model, including the advanced Kimi K2, is created and developed by Moonshot AI. Their team is dedicated to advancing the frontiers of artificial intelligence and making these powerful technologies accessible to a global community of developers and researchers.