Survival of the Fitted: Qwen3.6-27B’s Jacobian lens reads and steers Qwen3.8-27B with zero refitting [R]
Interpretability lenses get fitted to one exact checkpoint, and as far as I can tell nobody had tested what a version update does to one. So this was my question: when a model line updates, does the fitted instrument su
![Survival of the Fitted: Qwen3.6-27B’s Jacobian lens reads and steers Qwen3.8-27B with zero refitting [R]](https://preview.redd.it/49qcp6szzkjh1.jpeg?width=640&crop=smart&auto=webp&s=3a9f5c5e0c028e8d98994f2b827853953eb7d529)
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