Exploring J-space Structure in Mechanistic Interpretability

rickasaurus · x · 2026-07-07

Prominent interpretability account teortaxesTex initiated a discussion on J-space (a mechanistic interpretability concept): How is J-space measured? How does its structure interact with model capabilities? And at what stage of training does it emerge?

The thread focuses on understanding the relationship between a model's internal representations and the emergence of its capabilities.

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