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The Signal

Everything that matters in AI, with our take.

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arXiv cs.AIPaper

Efficient Test-Time Adaptation through Human-AI Interaction

This is real. Users today waste time prompting general models when agents should adapt to their specific bar. The mechanism is sound: cross-session interaction data as training signal, not just context. If you're building a copilot product or agent framework, this is worth studying. The gap between population-average and individual expertise is where value actually lives.