I’m Ethan Garcia.

A Caltech physics-trained independent researcher studying how language models represent, transform, and report on information inside their activations.

Currently focused on mechanistic interpretability and intervention methods—especially what they can, and cannot, tell us about model cognition.

Ethan Garcia

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Understanding the origin of the J-Space

If you’ve read Anthropic’s findings on discovering an LLM’s “J-Space” and how it represents its “global workspace” and “internal thoughts,” they may seem somewhat...