Home-Trained and Jev-Accurate
Jeff is a set of Jev-compatible decision models — Qwen3.5 and Gemma 4 fine-tunes — trained from scratch by a single developer in 2–3.5 hours on one RTX PRO 6000. The 2B variant hits 83.1% on five public benchmarks where Jev scores 83.0%, closing the quality gap that made every prior open replica a workaround rather than a replacement.
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