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Runway AI launches Gen-1, a text-to-video generator that edits existing videos – December 2025

Author/Source: James Vincent / The Verge See the full link here

Takeaway

This article is about a new tool from Runway AI called Gen-1. It lets people change existing videos into new styles just by typing words or providing a reference picture. You will learn how this technology can help creators make unique videos.

Technical Subject Understandability

Intermediate

Analogy/Comparison

Using Gen-1 is like having a magical video editor that can instantly repaint your home video in the style of a cartoon or a famous painting just by you telling it what to do.

Why It Matters

This tool matters because it helps filmmakers and artists try out different visual styles for their videos quickly and easily. For example, it can transform a standard video into something that looks like it was made with claymation or drawn with pencils, opening up new creative possibilities.

Related Terms

Generative AI, Gen-1, text-to-video generator. Jargon Conversion: Generative AI is artificial intelligence that can create new things, like images or videos. Gen-1 is the name of Runway AI’s specific tool that turns existing videos into new styles using text. A text-to-video generator, in this case, is a program that edits an existing video based on text instructions or an image.