Kimi K2: The Dawn of Open Agentic Intelligence from Moonshot AI

Discover Kimi K2, the revolutionary 1T-parameter language model developed by the Moonshot AI team. This page delves into the agentic capabilities, outstanding evaluation results, and developer-centric API that define the kimi k2 experience.

Core Attributes of the Kimi K2 Model

Unprecedented Scale

Pre-trained on an immense 15.5T tokens of data, the kimi k2 model demonstrates exceptional stability and a deep understanding of information. This massive scale sets a new benchmark for what's possible in large model training, and it’s a core reason for the kimi k2's power.

Next-Gen Optimization

The development of the kimi k2 involved a novel Muon optimizer, a groundbreaking approach from Moonshot AI. This advanced optimizer was key to overcoming stability challenges at scale, ensuring the kimi k2 performs at its peak potential.

True Agentic Intelligence

The kimi k2 is more than a simple text generator; it's an intelligent agent. Designed specifically for sophisticated tool use and autonomous problem-solving, this kimi ai model can tackle the most demanding and complex digital tasks with proficiency.

Choosing Your Kimi K2 Model

Kimi-K2-Base

This is the foundational version of the kimi k2, built for those who require deep customization. It's the ideal starting point for researchers and developers aiming to fine-tune and build highly specialized AI solutions from a powerful base. The flexibility of this kimi k2 is unmatched.

Kimi-K2-Instruct

The Kimi-K2-Instruct model is optimized for immediate deployment. Fine-tuned for superior chat capabilities and complex agentic workflows, this version of the kimi k2 delivers swift, high-quality responses, making it perfect for plug-and-play integration into applications.

Kimi-K2-Instruct vs. Industry Leaders

A chart comparing Kimi K2 Instruct performance against DeepSeek V3, Qwen3, OpenAI GPT-4.1, and Claude 4 Opus, highlighting the kimi k2 model's strengths.

This performance chart illustrates how the moonshot ai kimi k2 Instruct model leads across multiple key benchmarks, affirming its top-tier status.

The Kimi K2 Model at a Glance

ArchitectureMixture-of-Experts (MoE)

Total Parameters1T

Activated Parameters32B

Context Length128K

Number of Experts384

Selected Experts per Token8

A detailed summary of the Kimi K2 model architecture, showcasing its technical specifications, parameters, layers, and other configurations of the kimi k2.

A deep dive into the technical specifications that define the powerful Kimi K2 model architecture.

Unpacking the Kimi K2 Evaluation Results

The Kimi K2 Evaluation Results provide clear, empirical evidence of its standing as a leader among today's AI models. The benchmarks below offer a glimpse into the state-of-the-art performance of the kimi k2 across several critical 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, released by the moonshot ai kimi k2 team, confirm its leading capabilities in complex coding, mathematical reasoning, and logical deduction. For developers who demand premier performance, the Kimi K2 API offers direct and easy access to these powerful features. The kimi k2 truly shines in these tests.

Integrate with Ease: The Kimi K2 API

Built for Developers, By Developers

The Kimi Platform offers an interface fully compatible with both OpenAI and Anthropic, which makes adapting your existing projects to the power of Kimi K2 an effortless process. The Kimi K2 API is designed for a smooth transition.

🔗 Drop-In API Compatibility

You can switch to the Kimi K2 API with minimal code adjustments, thanks to its design as a drop-in replacement for OpenAI and Anthropic APIs.

🤖 Advanced Tool Calling

Construct highly sophisticated agentic applications using our advanced tool-calling features. The kimi k2 is perfect for creating autonomous AI solutions that get the job done.

Are you ready to build the next generation of AI applications? Explore the full potential of the moonshot ai kimi k2 and see how our developer-first platform can supercharge your projects.

Access the Kimi K2 API

Kimi K2 Developer & Community Resources

GitHub Repository

Access the complete kimi k2 codebase, contribute to the project, and join the open-source community.

Deployment Guide

Find comprehensive instructions for deploying and running the powerful kimi k2 models in your own environment.

License Information

Review the Modified MIT License terms for using the Kimi K2 model in your personal and commercial projects.

Official Website

Visit the official site for the kimi k2 for technical specs and documentation.

Hugging Face

Download pre-trained kimi k2 models and explore detailed model cards on Hugging Face.

API Platform

Access the Kimi K2 API via the official Moonshot AI Platform for seamless integration.

Frequently Asked Questions about the Kimi K2

Kimi K2 is a state-of-the-art large language model from the brilliant minds at Moonshot AI. It's not just another incremental update; it's a transformative step forward in 'agentic intelligence.' This means the kimi k2 model can autonomously use tools and reasoning to handle complex, multi-step tasks, making it a powerful ally for developers and researchers. It represents the next generation of AI that is designed for action.

Getting started with the Kimi K2 API is incredibly straightforward. You can access Kimi K2's API on https://platform.moonshot.ai. The team at Moonshot AI has designed it to be fully compatible with OpenAI and Anthropic standards. This allows developers to integrate the power of the kimi k2 model into existing applications with minimal friction and code changes, making the transition seamless.

The Kimi K2 model is built on a sophisticated Mixture-of-Experts (MoE) architecture, featuring a massive 1 trillion total parameters. This innovative design allows the model to activate specific 'expert' sub-networks tailored to the task at hand. The result is a highly efficient system that delivers the performance of a much larger model without the corresponding computational overhead, a core achievement for the kimi k2 series.

The Kimi K2 Evaluation Results are nothing short of exceptional, consistently positioning it at the forefront of the industry. Across rigorous benchmarks for coding (LiveCodeBench), mathematics (MATH, GSM8k), and general reasoning (MMLU), the kimi k2 model demonstrates state-of-the-art performance, often surpassing other well-established large language models. These results underscore its superior capabilities.

The revolutionary kimi ai model, especially the powerful kimi k2, is the brainchild of Moonshot AI. This dedicated team of engineers and researchers is committed to pushing the boundaries of artificial intelligence. Their mission is to democratize access to these powerful technologies, empowering a global community to build the future with tools like the kimi k2.