AI video startup Runway has secured $308 million in new funding, pushing its valuation to $3 billion — a major milestone following the debut of its Gen-4 model. The raise highlights soaring investor confidence in generative video technology and Runway’s growing leadership in the space.

This funding round follows the recent launch of Runway’s Gen-4, a state-of-the-art video generation model capable of creating ultra-detailed, consistent video sequences from text or image prompts. The model is being rolled out to both enterprise and individual creators, with applications ranging from filmmaking and advertising to digital storytelling and education.

Runway’s valuation surge places it in direct competition with major players like OpenAI (Sora), Pika Labs, and others exploring AI-generated video. The company has also been investing heavily in infrastructure to support high-quality video output and scale its services globally.

The latest funding will reportedly be used to accelerate R&D on future models, expand customer support channels, and pursue strategic partnerships in media, entertainment, and education sectors. With the generative video race intensifying, Runway’s momentum positions it as a key innovator and disruptor in the next wave of AI-powered creativity.