New York-based startup Runway has raised $308 million in new funding, pushing its valuation to approximately $3 billion. The investment will support the expansion of its film and animation studio.
The Series D round was led by General Atlantic, with participation from major backers, including Fidelity, Baillie Gifford, NVIDIA, SoftBank, and others. This brings the startup’s total funding to $545 million. Runway’s previous valuation stood at $1.5 billion.
Founded in 2018, Runway focuses on generative AI tools for video and media production.
“Runway begins its next chapter. With Gen-4 and other upcoming updates in our roadmap, it’s clear that we are entering a completely new media ecosystem,” said Runway CEO Cristóbal Valenzuela on X on the recent fundraise. “We believe AI can become a reliable world simulator, and when you can simulate anything and everything, the media and the stories we create and consume will be forever changed.”
Runway recently released Gen-4, a new AI video model that generates footage from a single reference image. It delivers sharper fidelity, more realistic motion, and stronger prompt adherence than Gen-3 Alpha.
Gen-4 introduces world consistency, enabling persistent environments, characters, and objects across scenes—ideal for long-form content with continuity. Users can direct subjects, regenerate elements from multiple angles, and lock in a consistent visual style.
Last year, Runway partnered with Lionsgate to develop a custom AI model trained on the studio’s film and TV library, aimed at reducing production costs.
This collaboration set a new standard in the entertainment industry and positioned Runway ahead of competitors like OpenAI’s Sora. In December last year, OpenAI launched its most-awaited video-generation model, Sora, which, according to the company, is a calculated step toward achieving artificial general intelligence (AGI).
Runway also hosts its AI Film Festival. Similar to the one in Cannes, it is an effort to celebrate artists who use emerging AI technologies in their short films. Started three years ago, the festival is a bid to open dialogue on the inevitable role of AI tools in the film community and engage with creators from all backgrounds to understand their perspectives.
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