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Runway claims its GWM-1 “world models” can stay coherent for minutes at a time

11 December 2025 at 18:47

AI company Runway has announced what it calls its first world model, GWM-1. It’s a significant step in a new direction for a company that has made its name primarily on video generation, and it’s part of a wider gold rush to build new frontier of models as large language models and image and video generation move into a refinement phase, no longer an untapped frontier.

GWM-1 is a blanket term for a trio of autoregression models, each built on top of Runway’s Gen-4.5 text-to-video generation model and then post-trained with domain-specific data for different kinds of applications. Here’s what each does.

Runway’s world model announcement livestream video.

GWM Worlds

GWM Worlds offers an interface for digital environment exploration with real-time user input that affects the generation of coming frames, which Runway suggests can remain consistent and coherent “across long sequences of movement.”

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© Runway

“Go generate a bridge and jump off it”: How video pros are navigating AI

24 November 2025 at 07:00

In 2016, the legendary Japanese filmmaker Hayao Miyazaki was shown a bizarre AI-generated video of a misshapen human body crawling across a floor.

Miyazaki declared himself “utterly disgusted” by the technology demo, which he considered an “insult to life itself.”

“If you really want to make creepy stuff, you can go ahead and do it,” Miyazaki said. “I would never wish to incorporate this technology into my work at all.”

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