Web tool visualizes internal LLM states using Jacobian Lens
July 9, 2026
A new web interface implements techniques from Anthropic's research to visualize and edit verbalizable representations within LLM middle layers. The tool utilizes a Jacobian Lens to inspect model reasoning before final output generation.
HOW THIS AFFECTS YOU
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builderThis provides a sandbox to experiment with steering model representations directly.
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researcherYou can use this to study how internal workspaces influence model outputs.