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TypeSafe AI Launches Jev, a Decision-Only Model That Cannot Generate Text

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TypeSafe AI has released a new AI model called Jev, built solely to make structured decisions rather than generate text, code, or explanations. The model offers three API primitives — choice, score, and noul — that return probabilities and confidence scores based on program state and typed questions. Founded by Diogo Almeida, a co-author of the InstructGPT paper behind RLHF, the company raised a $40 million seed round led by DCVC after two years in stealth development. TypeSafe claims Jev responds in 0.4 seconds at roughly $0.0004 per case, making it significantly faster and cheaper than rivals like GPT-5.6 Terra, though it scores slightly lower on accuracy in the company's own benchmarks. Access is currently waitlisted, and the published performance figures are self-reported and have not yet been independently verified.

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TypeSafe AI Launches Jev, a Decision-Only Model That Cannot Generate Text · ShortSingh