GAIA-1 is a generalist world model with 9 billion parameters, specifically designed for autonomous driving. It can generate realistic driving scenario videos through video, text, and action inputs, while allowing for fine-grained control over its own vehicle's behavior and the characteristics within the scenario. GAIA-1 utilizes multimodal learning methods to generate diverse driving scenarios, enhancing the learning and interpretive abilities of autonomous driving systems. Key features include video, text, and action-based generation capabilities, high controllability, long-duration generation support, and scalability. GAIA-1 is applicable in various scenarios such as autonomous driving research, simulation, and data augmentation. It represents advanced exploration in the field of generative AI for autonomous driving, offering limitless possibilities for innovation.