Kimi K2 Freemium

What is Kimi K2?

Kimi K2 is a trillion-parameter Mixture-of-Experts language model released by Moonshot AI with open weights. It excels at agentic workflows, multi-step tool calling, coding, and long-context understanding. Accessible via the Kimi chat assistant and developer APIs, it offers strong reasoning at a fraction of the cost of closed frontier models, and can be self-hosted for advanced teams.

Product Features

• Trillion-parameter MoE architecture with open weights
• Strong agentic reasoning and multi-step tool use
• Long-context understanding for large documents
• Coding and math capabilities competitive with frontier models
• Available via chat, API, and self-hosting
• Multilingual support including strong Chinese and English

Product Highlights

• Open-weight model with near-frontier performance
• Cost-effective API pricing versus closed alternatives
• Designed specifically for real agentic applications

Use Cases

• Building autonomous agents that call multiple tools
• Analyzing long research reports and contracts
• Generating and debugging production code
• Powering multilingual customer support
• Prototyping AI workflows with an affordable frontier-grade model