TypeSafe AI sells developers access to Jev, an AI model that makes structured decisions inside software instead of writing prose for a person. The Information reported on Sept. 24, as relayed by Digital Today, that the startup had begun talks to raise $1 billion. Unnamed investors have proposed valuations above $10 billion, though discussions are early and terms could change.

Developers send Jev a block of context and typed questions. It returns a choice, score or probability, plus confidence information that code can use to branch, rank or route work. A developer can set a threshold for automatic action and send lower-confidence cases to a person. That leaves the final control step in ordinary code.

Digital Today reported that Atlassian is testing Jev for classification rather than long-form writing. Atlassian’s AI chief said Jev was cheaper and faster, but not as accurate as some leading large language models. The disclosed use cases include sorting email, monitoring agents and routing work between models—repetitive judgments where latency and cost can matter more than fluent text.

TypeSafe is selling usage, not a chatbot subscription. The company lists Jev at $42 per billion input tokens with no separate charge for output tokens, and opened it in early access on Sept. 15. TypeSafe says responses generally arrive in 70 to 500 milliseconds, but also acknowledges that its published speed and cost comparisons sit at the high end of likely real-world gains.

That Sept. 15 launch came with a $40 million Series Seed led by DCVC. Digital Today, citing PitchBook, put the round’s valuation at $200 million. A full $1 billion raise would be 25 times the seed’s size, while a valuation above $10 billion would be more than 50 times that earlier marker—an unusually sharp repricing for a product that remained in early access when the talks surfaced.