Sparse Rewiring enables neuron-level interpretation of what fine-tuning changes

maxsloef · x · 2026-11-11

Sparse Rewiring offers a new angle on neuron and training interpretability: with only 89 changed neurons, each can be interpreted in detail, training data can locate relevant neurons, and training's effects can be understood mechanistically.

Related event: Sparse Rewiring: Retuning Just 89 of 442,368 Neurons Matches Full SFT Persona(7 posts)→

Original post →

More from Research

Research channel →