Runway Gen-4.5 is a leading video generation model that boasts exceptional visual fidelity and creative control. It excels in producing cinematic outputs with realistic motion and precise control over various generation modes. With a benchmark score of 1,247 Elo points, it outperforms all other models in the Artificial Analysis Text to Video benchmark. Gen-4.5 retains the efficiency of its predecessor, Gen-4, while enhancing quality without sacrificing speed. It's available across all subscription plans, aiming to make advanced video generation accessible to a broad audience. The model achieves remarkable physical accuracy, capturing realistic movement and interactions. It handles complex scenes with intricate details, such as a polar bear inside an ice block or a whale soaring through a mountain range. Notable prompts illustrate its capabilities, including a seamless shot of water filling a bucket or a man emerging from a snowman. Gen-4.5 also features expressive characters, showcasing nuanced emotions and lifelike facial details, like a close-up of a woman with an intense gaze. Gen-4.5 supports a variety of aesthetics, from photorealistic visuals to stylized animation. Users can create everyday scenes with authentic details or emotionally charged cinematic moments. The model operates on NVIDIA’s Hopper and Blackwell series GPUs, ensuring optimized performance. Runway’s collaboration with NVIDIA enhances the AI lifecycle from pre-training to inference, positioning Gen-4.5 as a transformative tool in video generation.