Runway Unveils Advanced AI Video Generator
AI startup Runway just dropped what they're calling one of the most high-fidelity AI-powered video generators out there. They've named it Gen-4, and it's now available to both their individual and enterprise clients. Runway boasts that Gen-4 can keep characters, locations, and objects looking the same across different scenes, hold together coherent world environments, and even recreate elements from new angles and positions within those scenes.
In their blog post, Runway explains that Gen-4 can take visual references and instructions to whip up new images and videos that stick to consistent styles, subjects, and settings, all without needing any extra training or fine-tuning.
> Gen-4 sets a new standard for video generation and is a marked improvement over Gen-3 Alpha. It excels in its ability to generate highly dynamic videos with realistic motion as well as subject, object and style consistency with superior prompt adherence and best-in-class world… pic.twitter.com/w9ACO5boJ7
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> — Runway (@runwayml) March 31, 2025
Backed by big names like Salesforce, Google, and Nvidia, Runway offers a range of AI video tools, including Gen-4. They're up against tough competition from the likes of OpenAI and Google, but they're carving out their niche. They've even signed a deal with a major Hollywood studio and are pouring millions into funding films that use AI-generated video.
Runway says Gen-4 lets users create consistent characters across different lighting conditions by using a reference image. To set up a scene, you can upload images of subjects and describe how you want the shot to look.
> Using visual references, combined with instructions, Gen-4 allows you to create new images and videos with consistent styles, subjects, locations and more. Allowing for continuity and control within your stories.
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> To test the model’s narrative capabilities, we have put together… pic.twitter.com/IYz2BaeW2U
>
> — Runway (@runwayml) March 31, 2025
According to their blog post, "Gen-4 excels in its ability to generate highly dynamic videos with realistic motion as well as subject, object, and style consistency with superior prompt adherence and best-in-class world understanding." They also claim that "Runway Gen-4 \[also\] represents a significant milestone in the ability of visual generative models to simulate real-world physics."
Like other video-generating models, Gen-4 was trained on a huge number of video examples to pick up on patterns and create synthetic footage. Runway's keeping tight-lipped about where the training data came from, worried about losing their edge. But this secrecy could also land them in hot water with IP-related lawsuits.
For instance, Runway's currently facing a lawsuit from artists who claim that the company and other generative AI outfits trained their models on copyrighted artwork without permission. Runway's defense? They're leaning on the fair use doctrine. It's still up in the air whether this will hold up in court.
The stakes are pretty high for Runway, especially since they're reportedly looking to raise funds that would value them at $4 billion. According to The Information, they're aiming for $300 million in annual revenue this year, thanks in part to new products like an API for their video-generating models.
No matter how the lawsuit turns out, generative AI video tools are shaking things up in the film and TV world. A 2024 study by the Animation Guild found that 75% of film production companies using AI have cut, merged, or eliminated jobs. The study predicts that by 2026, over 100,000 entertainment jobs in the U.S. could be disrupted by this technology.
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Comments (46)
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LarryMartinez
August 4, 2025 at 2:01:00 AM EDT
This Gen-4 AI video generator sounds like a game-changer! I'm curious how it stacks up against other tools like Sora. Anyone tried it yet? 😎
0
FrankSmith
April 22, 2025 at 8:47:55 PM EDT
Runway의 Gen-4 정말 대박이에요! 😍 AI로 만든 영상이 이렇게 현실감 있게 나올 줄은 몰랐어요. 프로젝트에 써봤는데 팀원들 다 놀랐어요. 좀 더 빨리 생성되면 좋겠지만, 그래도 강추합니다! 🌟
0
WillieAdams
April 18, 2025 at 12:18:19 PM EDT
Runway's Gen-4 is mind-blowing! The video quality is insane, and it keeps everything consistent. But, it's a bit pricey for individual users. If you're into video production, this is a must-try, but maybe wait for a discount! 🎥
0
GeorgeMartinez
April 18, 2025 at 12:10:53 PM EDT
RunwayのGen-4は驚くべきものです!キャラクターと設定の一貫性が最高です。プロジェクトで使ってみましたが、結果は予想以上でした。唯一の欠点は、時々遅いことです。全体的に、ビデオクリエイターにとってはゲームチェンジャーです!🎥
0
RogerLopez
April 17, 2025 at 3:45:57 AM EDT
Runway's Gen-4 is mind-blowing! The consistency in characters and settings is top-notch. I've used it for a project and the results were better than expected. Only downside? It's a bit slow at times. Overall, a game-changer for video creators! 🎥
0
ChristopherAllen
April 16, 2025 at 2:25:46 AM EDT
El Gen-4 de Runway es impresionante. La calidad del video es excelente, pero a veces las transiciones se sienten un poco raras. Aún así, es una herramienta poderosa para los creadores. ¡Ansioso por ver qué sacan después! 🎞️
0



This Gen-4 AI video generator sounds like a game-changer! I'm curious how it stacks up against other tools like Sora. Anyone tried it yet? 😎




Runway의 Gen-4 정말 대박이에요! 😍 AI로 만든 영상이 이렇게 현실감 있게 나올 줄은 몰랐어요. 프로젝트에 써봤는데 팀원들 다 놀랐어요. 좀 더 빨리 생성되면 좋겠지만, 그래도 강추합니다! 🌟




Runway's Gen-4 is mind-blowing! The video quality is insane, and it keeps everything consistent. But, it's a bit pricey for individual users. If you're into video production, this is a must-try, but maybe wait for a discount! 🎥




RunwayのGen-4は驚くべきものです!キャラクターと設定の一貫性が最高です。プロジェクトで使ってみましたが、結果は予想以上でした。唯一の欠点は、時々遅いことです。全体的に、ビデオクリエイターにとってはゲームチェンジャーです!🎥




Runway's Gen-4 is mind-blowing! The consistency in characters and settings is top-notch. I've used it for a project and the results were better than expected. Only downside? It's a bit slow at times. Overall, a game-changer for video creators! 🎥




El Gen-4 de Runway es impresionante. La calidad del video es excelente, pero a veces las transiciones se sienten un poco raras. Aún así, es una herramienta poderosa para los creadores. ¡Ansioso por ver qué sacan después! 🎞️












