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Five Things Developers Are Actually Building With JEV (And Why It Matters)

This story is from 2026-09-18. It is preserved in the archive; the latest stories are on the live feed.

When TypeSafe AI came out of stealth in September 2026 with founder Diogo Almeida, a name attached to both ChatGPT and RLHF, the framing was almost contrarian: not a smarter chatbot, but a model that refuses to write free text at all. Jev, their first "System One model," only answers three kinds of…

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  1. 2026-09-18 17:13 · DEV Community — Machine Learning
    Five Things Developers Are Actually Building With JEV (And Why It Matters)

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