Details
Runway's generative video models have progressed through several generations: Gen-2 (June 2023), Gen-3 Alpha (June 2024), Gen-4 (March 2025), and Gen-4.5 (December 2025). Gen-4.5 supports text-to-video, image-to-video, and video-to-video generation modes, producing clips at up to 720p resolution at 24 fps with optional 4K upscaling on higher-tier plans. The model is also integrated into Adobe Firefly via a multi-year partnership announced in December 2025.
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