Kimi

An AI assistant that can interpret images, analyze code, and provide real-time information. Try Kimi K3 to build playable multiplayer and 3D games, create consulting grade slides, and run parallel tasks with Swarm and Goal to get more work done. Kimi AI runs on Kimi K2 Thinking, a 1T-parameter MoE model optimized for agentic tasks with 32B active parameters. The free tier provides unlimited chats and core features like long-context processing without token limits. It supports uploads up to 100MB and 2 million characters, using RAG for analysis without truncation. It executes 200-300 tool calls autonomously via RL-trained reasoning, outperforming GPT-5 on Tau-Bench. Open-source weights on Hugging Face allow fine-tuning under Modified MIT License for custom applications. Kimi's API costs $0.15/million input tokens, about 80 percent less than ChatGPT's premium rates.