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Beyond Supervised Learning - Why RL is AI's Next Frontier
While everyone talks about ChatGPT's training data, the real breakthrough was RLHF—teaching AI through interaction, not just imitation.
The story we tell about AI breakthroughs usually goes like this: researchers collect massive datasets, train bigger models, and get better results. Scale up the data, scale up the compute, scale up the parameters.
But there's a different story hiding in plain sight. The thing that made ChatGPT so much better than GPT-3 wasn't just more data or more parameters. It was a different kind of learning entirely: reinforcement learning from human feedback (RLHF).