Fal, a San Francisco-based startup that hosts and runs AI video, image, and audio models, has raised $1.3 billion in its latest funding round led by Bessemer Venture Partners, with participation from Nvidia, Sound Ventures, and T. Rowe Price. The deal values Fal at $16 billion, double its $8 billion valuation in April, Bloomberg reported.

The startup announced its Series E & F rounds at the same time, noting that a combined $1.65 billion was raised across both. (Sequoia led the earlier round.)

The latest round (Series F) comes amid soaring demand for inference services, the process of running an AI model that’s already been trained to generate outputs, particularly from customers relying on open-source models. Fal surpassed $800 million in annualized revenue earlier this year, Bloomberg’s report noted.