The fastest-adopted model on Vercel this year cannot write a word

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We have lightning in a bottle, and yet it is not useful.

Diogo Almeida helped build ChatGPT. He worked on the instruction-following research behind it at OpenAI, and the four years since have left him disappointed by what it became, as he told TechCrunch last week. His answer is a model that cannot write a single word.

That model is Jev. His startup TypeSafe AI put it into early access on 15 September, and DCVC led a $40m seed round the same day. Jev does not generate text. It takes a block of program state and a set of typed questions, then hands back decisions in one of three shapes: a choice, a score, or a yes-no probability.

The choice can run to 255 options and the score sits on an ordered scale. Every answer carries a calibrated confidence number, which TypeSafe considers the whole point. A model might do...

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