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Kwai Keye-VL-2.0 Technical Report

The Problem: Processing long, hour-level videos is a massive hurdle for today’s AI. It requires juggling ultra-long contexts, filtering out redundant information, and burning through prohibitive computational costs. Furthermore, when engineers try to train models to handle complex video workflows alongside other skills, the AI often suffers from "catastrophic forgetting" - losing its baseline reasoning capabilities while trying to learn new multi-task alignments.

The Breakthrough: Kwai Keye-VL-2.0 is an open-source multimodal foundation model that shatters these bottlenecks. It is the first to adapt advanced memory-management techniques (DeepSeek Sparse Attention) to multimodal data, allowing it to flawlessly process massive 256K contexts - equivalent to hour-long videos - without losing critical details or temporal connections. It utilizes a highly optimized "Mixture-of-Experts" (MoE) architecture; while the model has 30 billion parameters, it only activates 3 billion at any given time. This dramatically slashes inference costs and maximizes processing speed without sacrificing capability.

The Agentic Edge: Keye-VL-2.0 doesn't just "watch" videos - it acts on them. The researchers pioneered a novel reinforcement learning and multi-teacher distillation method to prevent the model from forgetting its core skills. As a result, the model natively operates as an advanced autonomous agent capable of using tools, writing code, executing web searches, and seamlessly self-correcting its own mistakes based on the video content it analyzes.

Why This Matters: For enterprise leaders and developers, this model delivers state-of-the-art long-video comprehension at a fraction of the traditional compute cost. This unlocks highly scalable commercial applications: intelligent assistants that can ingest hour-long meetings and execute follow-up workflows, automated media editing tools that instantly pinpoint specific events (temporal grounding), and smart compliance/surveillance agents that can actively reason across massive, long-form footage. Because the model is open-source, businesses can immediately prototype and deploy fast, cheap, and highly capable video-native AI agents.

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