a16z leads funding round, AI model Jev developer TypeSafe AI valued at $7.5 billion TypeSafe AI, the developer of the AI 'decision-making' model Jev, has completed a financing round of approximately $870 million, with a post-money valuation of $7.5 billion, led by a16z. Reportedly, TypeSafe AI's Jev model went viral just weeks after its release. Co-founder Diogo Almeida shared that after their launch video gained traction, the company attracted significant attention from corporate executives, developers, and investors. Currently, about one-third of Fortune 500 companies are using it, and it surpassed 1 million users within just a few days.