Runway – Introducing Gen-3 Alpha. Gen3, a new frontier for high-fidelity, controllable video generation.

https://runwayml.com/blog/introducing-gen-3-alpha/

Gen-3 Alpha is the first of an upcoming series of models trained by Runway on a new infrastructure built for large-scale multimodal training. It is a major improvement in fidelity, consistency, and motion over Gen-2, and a step towards building General World Models.