24 days! Jev's valuation doubles to $7.5 billion—surely the most satisfying comeback in Silicon Valley this year.

What happened: TypeSafe AI, maker of the decision model Jev, announced an $870 million Series A at a $7.5 billion post-money valuation, 24 days after its $40 million seed round at a $200 million valuation. Key numbers: $870M Series A. $7.5B post-money valuation. Seed round $40M at $200M valuation. Input priced at $0.042 per million tokens, output free. Why it matters: a16z partner Martin Casado joined the board, and the round drew a16z, Sequoia and DCVC. Microsoft, OpenAI and Cloudflare all released competing decision models within the same 24 days, turning a solo lane into a crowded race.

TypeSafe AI, maker of the decision model Jev, announced an $870 million Series A at a $7.5 billion post-money valuation, 24 days after its $40 million seed round at a $200 million valuation.

a16z partner Martin Casado joined the board, and the round drew a16z, Sequoia and DCVC. Microsoft, OpenAI and Cloudflare all released competing decision models within the same 24 days, turning a solo lane into a crowded race.