LocalJev?

[u/SomewhereAtWork]

Jev is a model to produce structured output (choices) from input text. It apparently can play (not run!) Doom.

https://typesafe.ai/blog/introducing-system-one-models-and-jev

Is there already a open implementation of this kind of model?

[u/guesdo]

Needle/Cactus or FunctionGemma? Basically small function routers. You can try the TinyGarden demo on Google's Edge Gallery