Kimi K2.5 — The Open-Source Intelligence Built for Real Work

Kimi K2.5 is a next-generation multimodal AI model designed to think, see, code, and collaborate at scale. Built for long-horizon tasks and agent-based workflows, it transforms complex work that once took days into minutes

Trusted by users from 10,000+ companies

Proven Performance Across the Toughest AI Benchmarks

Kimi K2.5 sets new open-source records across agentic reasoning, coding, vision, and long-context understanding. It consistently matches or outperforms leading closed models on benchmarks designed to test real-world problem solving.

Agentic Reasoning at the Frontier

Agentic Reasoning at the Frontier

Kimi K2.5 leads on Humanity’s Last Exam, BrowseComp, and DeepSearchQA, achieving top-percentile scores while reliably executing 100–300+ step reasoning chains, coordinating multi-tool workflows, and completing long-horizon autonomous tasks.

Real-World Coding Excellence

Real-World Coding Excellence

On SWE-bench Verified and Multilingual, Kimi K2.5 solves a high percentage of real GitHub issues by understanding thousands of lines of existing code, making minimal targeted changes, and delivering test-passing and production-quality fixes.

Multimodal Understanding That Holds Up

Multimodal Understanding That Holds Up

Top-tier results on MMMU, OmniDocBench, and VideoMMMU show Kimi K2.5 accurately reasoning over documents, diagrams, screenshots, and long-form videos, processing hundreds of visual elements per task where most multimodal models lose context or fail entirely.

Office & Knowledge Work Automation

Kimi K2.5 functions as a full AI-powered productivity layer across documents, spreadsheets, presentations, and PDFs. Users can automate tasks like consolidating dozens of departmental reports and building complex financial models.

Office & Knowledge Work Automation

Software Engineering & Product Development

Kimi K2.5 helps developers move faster across the entire product lifecycle, from design to deployment. It can rebuild interfaces directly from screenshots or screen recordings, understand and modify large codebases while executing multi-step fixes.

Software Engineering & Product Development

Research, Analysis & Synthesis at Scale

Kimi K2.5 enables users to tackle research-heavy tasks that would normally require entire teams. By coordinating multiple specialized agents in parallel, it can analyze markets across companies and synthesize dozens of papers into structured insights.

Research, Analysis & Synthesis at Scale

A Foundation Model Designed for Scale, Speed, and Intelligence

Kimi K2.5 combines long-context reasoning, multimodal perception, and dynamic agent orchestration into a single open-source system built for real-world complexity.

Agent Swarm Orchestration

Agent Swarm Orchestration

Creates and coordinates multiple specialized agents dynamically to solve complex tasks in parallel.

Larger Context Understanding

Larger Context Understanding

Processes up to 256K tokens, enabling full-document, multi-file, and large-codebase reasoning.

Native Multimodal Intelligence

Native Multimodal Intelligence

Understands text, images, and video natively without relying on external vision pipelines.

Long-Horizon Reasoning

Long-Horizon Reasoning

Executes hundreds of reasoning and tool-use steps while maintaining coherence and accuracy.

Production-Grade Coding Ability

Production-Grade Coding Ability

Generates, edits, and debugs real-world software with high reliability across languages and frameworks.

Visual UI Reconstruction

Visual UI Reconstruction

Rebuilds interfaces and workflows directly from screenshots or screen recordings into clean code.

Office Suite Mastery

Office Suite Mastery

Creates financial models, presentations, reports, and professional PDFs with enterprise-level quality.

OpenAI-Compatible API

OpenAI-Compatible API

Drops seamlessly into existing stacks with familiar tooling and minimal migration effort.

Fully Open-Source Foundation

Fully Open-Source Foundation

Delivers state-of-the-art performance without lock-in, enabling customization, research, and deployment freedom.

Frequently Asked Questions

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