Insight certainty 3/5 debate potential 2/5

Franceschi: LLMs Mask How Much Training Data Supported Your Specific Query

Pedro Franceschi · The Most AI-Pilled CEO We Know · Y Combinator · Jun 10, 2026 · at 24:52

Brex co-founder Pedro Franceschi discusses the limitations of relying on large language models without visibility into their underlying dataset distribution.

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“And I think the biggest pitfall of LMs is you have no sense of How much training data the model has seen for the exact thing that you're asking it.”

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