The a16z Show

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Rick Rubin on AI, Creativity, and The Way of Code

Explore episode Jul 1, 2026

Where this was said

AI, Belief, and the RLHF Problem

At 28:20 · chapter starts 27:02

Rubin delivers a striking observation: he asked Perplexity how many people on the planet believe in God and got back a figure of at least 83%. If AI is trained on human knowledge, shouldn't it reflect that majority belief? The fact that it doesn't, Rubin argues, is evidence of deliberate human intervention. Andreessen explains the mechanism: Reinforcement Learning from Human Feedback (RLHF), which trains AI to reflect the preferences of the humans who evaluate its outputs. The problem, he says, is that AI companies are hyper-concentrated in a slice of the San Francisco Bay Area that holds unusually strong and uniform social and political views — representing roughly 7% of Americans and sub-1% of the global population. The result is an AI that has been calibrated to the worldview of a very small minority. Andreessen notes that this dynamic has spawned an entire culture of 'jailbreaking' — prompting AI in ways that get around its trained guardrails to reveal the deeper knowledge underneath.

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