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JevMade field notes / Model roundup

Five open Jev replicas, in Chinese

A Chinese-language roundup distinguishes five open decision models by architecture or goal and recommends two options for Apple silicon.

Original by 小墨同学EvaluationX postOriginal published Source reviewed

Before you dive in

What you’ll find in the original

  1. Laya 421M is presented as a native decision model with Mac support, while Decider-2B is described as the closest Jev analogue and based on Qwen3.5.
  2. NanoJev 0.6B uses a dedicated decision head; Reflex combines Qwen3.5 with direct logits; System-One 4B focuses on probability calibration.
  3. For Apple chips, the author recommends starting with Laya or Reflex, but says local comparison with Jev is still future work.
Worth knowing

This is an unbenchmarked shortlist. The author had not yet run the proposed local comparison, so the recommendations are not measured results.

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