From the source
It is trained jointly on videos and images and offers improvements in fidelity, consistency, and motion over Gen-2.
The model will power Runway's text-to-video, image-to-video, and text-to-image tools, and includes new safeguards.
From the source
From the source
Runway released Gen-3 Alpha, a new AI foundation model for video generation with temporal control.

It is trained jointly on videos and images and offers improvements in fidelity, consistency, and motion over Gen-2.
The model will power Runway's text-to-video, image-to-video, and text-to-image tools, and includes new safeguards.
From the source
Runway Gen-3 Alpha is the first of the next generation of AI foundation models trained by Runway on a new infrastructure built for large-scale multimodal training. It is a major improvement in AI model fidelity, consistency and motion over Gen-2
runway.com