CalibratedDecisions.

Repo · Routing & model choice

Wald-Q4B

Open-weight 4B decision model: calibrated probabilities for choice/noul/score with a Jev-compatible /v1/systemone API.

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From the repository

Wald-Q4B: open-weight 4B decision model. Calibrated probability for every option, Jev-compatible /v1/systemone API, self-hosted. Weights on Hugging Face.

agent-routingcalibrated-probabilitiescalibrationclassificationdecision-indexdecision-modelhuggingfacejevjev-compatiblejevbenchkevlayallm-agentsopen-jevopen-weightsqwentool-selectiontyped-decisionstypesafe-compatiblevllm

How builders describe it

Open-weight 4B decision model on Qwen3.5-4B-Base serving a Jev-compatible /v1/systemone API, returning per-option probabilities with adjustable thinking.

The decision Jev makes

Pick an agent, a model, a skill from a catalog, or a function and its arguments.

Where it fits

Deciding which agent, model, skill or function should handle a request. Jev is a natural router: the options are fixed and the confidence tells you when to fall back. All 348 routing & model choice projects →

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