Experience Kimi K2.5, Moonshot AI's groundbreaking 1T-parameter native multimodal model. Delivering state-of-the-art visual coding, 256K context window, and autonomous agent swarm capabilities at 1/10th the cost of proprietary alternatives. Built for developers building the future of agentic AI.

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Overview

What is Kimi K2.5?

Advantages

1,Unmatched Cost Efficiency: approximately $0.39 per million input tokens, 4x cheaper than GPT-4o and nearly 10x cheaper than GPT-5

2.Native Multimodal Architecture: pre-trained on 15 trillion mixed visual and text tokens for seamless image and video understanding

3.Massive Context Window: 256K tokens enabling processing of entire codebases, lengthy documents, and extended conversations

4.Open-Weight Accessibility: fully open-source for self-hosting, customization, and deployment freedom

5.Exceptional Agentic Capabilities: execute up to 300 sequential tool calls and coordinate agent swarms for complex autonomous workflows

6.State-of-the-Art Performance: competitive with GPT-5.2 and Claude 4.5 Opus across reasoning, coding, and multimodal benchmarks

Platforms and languages

Kimi K2.5 Availability

Platforms

Web

Languages

English

Kimi K2.5 Alternatives

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