JEV-27B JEV-27B is an Apache-2.0 open-weights model from AutoTrust AI that attaches a 108.9-million-parameter decision adapter to a frozen Qwen3.8-27B backbone. It delivers fast, calibrated System 1 answers for yes/no, multiple-choice, and 0-5 rating questions in a single forward pass while retaining the full System 2 generation and reasoning path of the base model, all from one set of weights.
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