Modal Labs is reportedly nearing a $750 million Accel-led round, as demand grows for running trained models.

Modal Labs is reportedly nearing a $750 million funding round led by Accel at a $15.75 billion valuation, TechCrunch reports, citing a source familiar with the deal. The financing has not been confirmed as completed, and Modal declined to comment.

The investor interest centers on inference: running an already-trained AI model to produce an answer, image, or other output. As more companies use AI products, they need computing systems that can serve those requests quickly and reliably.

Modal lets developers train models and run other demanding workloads without managing their own servers, according to TechCrunch. That makes it an infrastructure provider rather than a consumer chatbot: its customers use the underlying computing tools to build and operate AI applications.

The reported valuation would more than triple Modal’s $4.65 billion valuation from a $355 million fundraise announced four months earlier. TechCrunch also reports that Modal told Reuters it had surpassed $300 million in annualized revenue as of May.

The business has a trade-off. Demand for inference is growing, especially among users of open-source models, but TechCrunch reports that margins remain thin because buying or leasing computing capacity is expensive. In other words, strong revenue growth does not automatically mean strong profits.

For developers, the practical question is not the reported valuation. It is whether Modal can deliver lower cost, faster responses, reliable service, and flexible model support than alternatives. The financing terms and the company’s revenue mix remain unsettled until Modal or the investors confirm them.