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Jev introduces a new shape of LLM - System One, aka Decision Models

Last week TypeSafe AI unveiled Jev , their first example of a new category of model that they are calling "System One models" (I'm with Maggie Appleton, I think "decision models" is a better name for these). Jev is an interesting variant on the usual LLM format: it still accepts text inputs, but in…

Read the full story at Simon Willison's Weblog ↗

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  1. 2026-09-21 23:09 · Simon Willison's Weblog
    Jev introduces a new shape of LLM - System One, aka Decision Models

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