Kimi K2 ThinkingMoonshot AI
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Kimi K2.5Moonshot AI
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Related Products
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About
Kimi K2 Thinking is an advanced open source reasoning model developed by Moonshot AI, designed specifically for long-horizon, multi-step workflows where the system interleaves chain-of-thought processes with tool invocation across hundreds of sequential tasks. The model uses a mixture-of-experts architecture with a total of 1 trillion parameters, yet only about 32 billion parameters are activated per inference pass, optimizing efficiency while maintaining vast capacity. It supports a context window of up to 256,000 tokens, enabling the handling of extremely long inputs and reasoning chains without losing coherence. Native INT4 quantization is built in, which reduces inference latency and memory usage without performance degradation. Kimi K2 Thinking is explicitly built for agentic workflows; it can autonomously call external tools, manage sequential logic steps (up to and typically between 200-300 tool calls in a single chain), and maintain consistent reasoning.
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About
Kimi K2.5 is a next-generation multimodal AI model designed for advanced reasoning, coding, and visual understanding tasks. It features a native multimodal architecture that supports both text and visual inputs, enabling image and video comprehension alongside natural language processing. Kimi K2.5 delivers open-source state-of-the-art performance in agent workflows, software development, and general intelligence tasks. The model offers ultra-long context support with a 256K token window, making it suitable for large documents and complex conversations. It includes long-thinking capabilities that allow multi-step reasoning and tool invocation for solving challenging problems. Kimi K2.5 is fully compatible with the OpenAI API format, allowing developers to switch seamlessly with minimal changes. With strong performance, flexibility, and developer-focused tooling, Kimi K2.5 is built for production-grade AI applications.
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Platforms Supported
Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook
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Audience
Developers and AI research teams seeking a solution for building autonomous agents, multi-step reasoning systems and tool-enabled workflows
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Audience
Kimi K2.5 is ideal for AI developers, engineers, and companies building advanced multimodal, reasoning-heavy, or agent-based applications that require long context and high coding performance
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Support
Phone Support
24/7 Live Support
Online
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Support
Phone Support
24/7 Live Support
Online
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API
Offers API
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API
Offers API
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
Free
Free Version
Free Trial
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Pricing
Free
Free Version
Free Trial
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Reviews/
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Reviews/
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Training
Documentation
Webinars
Live Online
In Person
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Training
Documentation
Webinars
Live Online
In Person
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Company InformationMoonshot AI
Founded: 2023
United States
moonshotai.github.io/Kimi-K2/thinking.html
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Company InformationMoonshot AI
Founded: 2023
China
platform.moonshot.ai/
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Alternatives |
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Categories |
Categories |
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Integrations
Nebius Token Factory
OpenClaw
Shiori
Alibaba AI Coding Plan
Claw Code
GPT-5.1 Thinking
GPT-5.4 mini
GPT-5.4 nano
GPT‑5.4 Thinking
Hugging Face
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Integrations
Nebius Token Factory
OpenClaw
Shiori
Alibaba AI Coding Plan
Claw Code
GPT-5.1 Thinking
GPT-5.4 mini
GPT-5.4 nano
GPT‑5.4 Thinking
Hugging Face
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