Runway Unveils Gen-4.5 - A Video AI Model That Outperformed Google and OpenAI

Cinematic scene of an AI video model generating realistic motion and physics, representing Runway Gen-4.5.

Runway Introduces Gen-4.5 - the Video AI Model That Surpassed Google and OpenAI​


Runway has announced Gen-4.5, a new video generation model that has taken the top position in the independent Video Arena benchmark by Artificial Analysis. With an unprecedented score of 1247 Elo, the startup’s model outperformed Google’s Veo 3 and placed far ahead of OpenAI’s Sora 2 Pro, which ranked seventh.

A Landmark Achievement for a 100-Person Team​

The achievement is particularly notable given the scale difference. Runway operates with a team of roughly 100 employees, yet managed to surpass trillion-dollar corporations developing competing video AI systems. The result highlights the company’s focus and specialization in generative video technology.

Superior Understanding of Physics, Motion and Causality​

According to Runway, Gen-4.5 significantly advances realism by improving its grasp of physical dynamics, human movement, camera operations and cause-and-effect relationships. Objects in generated scenes move with convincing weight, inertia and force. Liquids behave with correct flow dynamics, and fine-grained features - such as strands of hair and material textures - maintain coherence across time and motion.

Powered by NVIDIA Hopper and Blackwell GPUs​

The model’s inference pipeline runs on NVIDIA’s Hopper and Blackwell GPU architectures. NVIDIA CEO Jensen Huang expressed pride in collaborating with Runway, describing Gen-4.5 as an important milestone in next-generation video generation systems. Hardware efficiency and compute scaling appear central to delivering high-resolution sequences with stable temporal consistency.

Rollout to All Users This Week​

Runway is gradually expanding access to Gen-4.5. The company stated that the model will be available to all platform users by the end of the week via its web interface, API and partner integrations. Developers, filmmakers and creative teams can expect improved stability, faster iteration and more realistic motion synthesis compared to previous versions.

Conclusion​

Gen-4.5 represents a major breakthrough for Runway and a shift in the competitive landscape of generative video AI. By outperforming the industry’s largest players, Runway demonstrates that focused innovation can rival - and even surpass - the output of much larger research labs. The model’s release marks an important milestone in the evolution of realistic, physics-aware video generation.


Editorial Team - CoinBotLab

Source: CNBC

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