Jim Fan (@DrJimFan)
@DrJimFan
NVIDIA Director of Robotics & Distinguished Scientist. Co-Lead of GEAR lab. Solving Physical AGI, one motor at a time. Stanford Ph.D. OpenAI's 1st intern.
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My morning ritual: coffee, then watch our robot assemble stuff. The model isn't fast, but it measures every grasp, obsesses over every alignment, and handles every piece like an heirloom. Watching is therapeutic, even meditative. Simple pleasure from the execution of a task well done.
Uncut, no speedup, end-to-end policy in one go.
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2024: AI is the copilot
2025+: humans are the copilot
Copilot is the new engineering skill. It’s not easy to leave the driver seat - we must learn to think the AI way and adapt to the alien workflows. Help AI help ourselves.
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How to build *TruthGPT*? I listened to a talk by the legendary @johnschulman2. It's densely packed with lots of deep insight. Key takeaways:
- Supervised finetuning (or behavior cloning) makes the model prone to hallucination, while RL mitigates it.
- NLP is far from done!
1/🧵
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