TypeSafe AI has raised $870 million in a Series A round at a $7.5 billion valuation. Andreessen Horowitz led the round, with Sequoia Capital and existing backer DCVC joining alongside a group of angel investors. General partner Martin Casado takes a seat on the board. It is a rare first institutional round at that scale, and it puts the lab in the same funding tier as far more established model makers.

The company builds what it calls machine-native intelligence infrastructure, models designed to make decisions inside software rather than to chat with people. Its first product is the System One Model, named Jev, which is available in early access. TypeSafe says a third of the Fortune 500 already runs Jev in production and that customers have saved millions of dollars using it.

The announcement avoided the usual fundraising theatre. The company published a short post aimed at three audiences: developers, who it says will get more machine-native models, businesses, which will get the enterprise features they have been asking for, and recruits. With roughly a billion dollars behind it and a customer base measured in hundreds of large enterprises, TypeSafe has moved from a quiet research project to one of the most heavily funded bets on automated decision making.