Kimi K2.5 is Moonshot AI’s open-source, native multimodal agentic model built through continual pretraining on approximately 15 trillion mixed vision and text tokens. Based on a 1T-parameter Mixture-of-Experts (MoE) architecture with 32B activated parameters, it integrates advanced language reasoning with strong visual understanding. K2.5 supports both “Thinking” and “Instant” modes, enabling either deep step-by-step reasoning or low-latency responses depending on the task. Designed for agentic workflows, it features an Agent Swarm mechanism that decomposes complex problems into coordinated sub-agents executing in parallel. With a 256K context length and MoonViT vision encoder, the model excels across reasoning, coding, long-context comprehension, image, and video benchmarks. Kimi K2.5 is available via Moonshot’s API (OpenAI/Anthropic-compatible) and supports deployment through vLLM, SGLang, and KTransformers.

Features

  • 🧠 Native Multimodality: Seamlessly processes text, images, and video with strong cross-modal reasoning and visual grounding.
  • ⚡ Thinking & Instant Modes: Switch between deep reasoning mode and low-latency response mode for flexible performance.
  • 🐝 Agent Swarm Architecture: Decomposes complex tasks into coordinated, domain-specific sub-agents for parallel execution.
  • 💻 Vision-Enhanced Coding: Generates code from UI designs, visual specs, and video workflows with tool orchestration support.
  • 📏 256K Long Context Window: Handles extensive documents and multi-step reasoning across large inputs.
  • 🚀 Flexible Deployment & Quantization: Supports native INT4 quantization and runs on vLLM, SGLang, or KTransformers with OpenAI-compatible APIs.

Project Samples

Project Activity

See All Activity >

License

MIT License

Follow Kimi K2.5

Kimi K2.5 Web Site

Other Useful Business Software
Gemini 3 and 200+ AI Models on One Platform Icon
Gemini 3 and 200+ AI Models on One Platform

Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

Build generative AI apps with Vertex AI. Switch between models without switching platforms.
Start Free
Rate This Project
Login To Rate This Project

User Reviews

Be the first to post a review of Kimi K2.5!

Additional Project Details

Operating Systems

Linux, Mac, Windows

Registered

2026-02-15