SFT, RLHF, reasoning, tool use: LLM's biggest innovations are simple enough for a child

rachittshah · x · 2026-10-14

A shared observation notes that LLM's most significant innovations — SFT, RLHF, reasoning, and tool use — are all simple enough to explain to a child. The takeaway: the field's most consequential techniques rest on remarkably simple ideas rather than complex theory.

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