Robotics may need to go beyond language: demos as a test-time steering modality

Ed__Johns · x · 2026-10-28

The discussion argues that for robotics to mature as a deployable technology, models may need to go beyond natural language; using demos as a test-time modality can be essential. The author replies that test-time steerability with a physical example is often indispensable for showing what you actually want a robot to do, and highlights Machenta's rapid recent progress on demo-based steering.

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