Runway ML

Runway is one of the defining tools of the generative-video era, and it earns the reputation. Gen-3 Alpha text-to-video and image-to-video produce genuinely cinematic short clips, while the editing toolkit — Motion Brush for precise object animation, inpainting to remove or replace elements, lip sync — is what separates Runway from one-click novelty generators: it gives directors and VFX artists actual control rather than a slot machine. The honest realities of AI video apply here too. Output is credit-metered, and serious experimentation burns through the free 125 credits fast, pushing you to Standard ($15/user/month) or Pro ($35/user/month); clips are short (around 10 seconds) and still require prompt iteration and a discerning eye to get usable shots; and tricky physics, hands and on-screen text can still break. Treat it as a powerful pre-viz, VFX and short-form creative tool rather than a finished-film machine. For filmmakers, motion designers and ad creators, it's close to essential to at least know.