We believe that General World Models will play a critical role for the future of AI and that giving everyone access to their own world simulator will be one of the most important technology deployments of the next few years. These simulators will only become more general over
@runwayml
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GWM-1 Simulates Human Behavior in Immersive Environments
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GWM-1 can simulate environments, physics and motion. But one of the most complex things to simulate is human behavior – the way people look, move and respond in conversation in a way that feels natural and immersive. This is really difficult to get right.
— Runway (@runwayml) 11 décembre 2025
We believe we’ve… pic.twitter.com/QyDNcH2xiKGWM-1 can simulate environments, physics and motion. But one of the most complex things to simulate is human behavior – the way people look, move and respond in conversation in a way that feels natural and immersive. This is really difficult to get right. We believe we’ve
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General World Model GWM-1 Unveiled: Next Generation AI
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Two years ago, to the day, we shared our vision for General World Models and our research towards them. Today, for our second announcement, we shared an early look at our first General World Model, GWM-1.
— Runway (@runwayml) 11 décembre 2025
GWM-1 is built on top on Gen-4.5 but with one crucial difference – it’s… pic.twitter.com/8F2fyN3klGTwo years ago, to the day, we shared our vision for General World Models and our research towards them. Today, for our second announcement, we shared an early look at our first General World Model, GWM-1. GWM-1 is built on top on Gen-4.5 but with one crucial difference – it’s
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Gen-4.5 Frontier Video Model Adds Native Audio Generation
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First, we are excited to share a number of new updates to our frontier video generation model, Gen-4.5
— Runway (@runwayml) 11 décembre 2025
Soon you will be able to both generate and edit native audio with Gen-4.5 and edit video at arbitrary lengths with multi-shot editing. pic.twitter.com/JOHYuQgl8TFirst, we are excited to share a number of new updates to our frontier video generation model, Gen-4.5 Soon you will be able to both generate and edit native audio with Gen-4.5 and edit video at arbitrary lengths with multi-shot editing.
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Five Major AI Announcements Shape Future of Technology
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Today we shared five exciting announcements across both product and research that outline our future vision for how AI will change how stories are told, scientific progress is made and how the next frontiers of humanity are reached. Learn more below about how we’re building AI
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Research Demo Day 2025: AI Systems for World Simulation
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Welcome to Research Demo Day 2025. We're sharing a number of exciting announcements towards our mission to build AI systems that simulate the world. https://t.co/8PYXOk8bG2
— Runway (@runwayml) 11 décembre 2025Welcome to Research Demo Day 2025. We're sharing a number of exciting announcements towards our mission to build AI systems that simulate the world.
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Runway ML Workflows Now Available for Creative AI Projects
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Try now: http://
app.runwayml.com/workflows -
New Workflow Nodes for Audio and Video Editing
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Introducing a new collection of nodes for Workflows. All designed to make it easier to edit audio and video, all within one place.
— Runway (@runwayml) 6 décembre 2025
Try them now at the link below. pic.twitter.com/CLJb5A2zn4Introducing a new collection of nodes for Workflows. All designed to make it easier to edit audio and video, all within one place. Try them now at the link below.
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Gen-4.5 Creates Worlds with Specific Aesthetic and Atmospheric Characteristics
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With Gen-4.5 you can explore worlds that represent very specific points of view and aesthetic characteristics. The model allows you to precisely generate the look, feel and atmosphere of the world you want to create and the stories you want to tell. pic.twitter.com/EOKRzJQ90f
— Runway (@runwayml) 5 décembre 2025With Gen-4.5 you can explore worlds that represent very specific points of view and aesthetic characteristics. The model allows you to precisely generate the look, feel and atmosphere of the world you want to create and the stories you want to tell.