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Big Brain AI
@realBigBrainAI
Learn to not get left behind when AI takes over
6 Following    17.5K Followers
Yann LeCun, Executive Chairman of AMI Labs, explains why LLMs are mostly retrieving human knowledge rather than thinking for themselves: LeCun starts with why so many people misread what these systems are doing: "I think there's a lot of confusion, really, because we tend to anthropomorphize systems that can reproduce certain human functions." When an AI writes fluent answers, we assume there's a mind behind them. LeCun's view is that most of what we're seeing is something more familiar: "LLMs, to some extent, except for a few domains, are mostly information retrieval systems. They can compress a lot of factual knowledge that has been previously produced by humans and can give easy access to it." The key words are "previously produced by humans." The knowledge in an LLM came from people. What the system adds is compression and easy access. That puts LLMs in a long historical line: "In a way, it's kind of a natural evolution of the printing press, the libraries, the Internet, and search engines. Right. It's just a more efficient way to access information." @ylecun is clear about their value: "LLMs are incredibly useful, there's no question about that. And they do amplify human intelligence, like computer technology going back to the 1940s." He also allows that in a few areas, such as generating code and some types of mathematics, the capabilities seem to go beyond retrieval. But he notes what those areas share: "It's still, to a large extent, domains where reasoning has to do with manipulating symbols." That's where the retrieval framing shows its limits. If these systems were truly thinking for themselves, you'd expect that ability to carry over into the physical world. It hasn't: "The problem is that why do we have systems that can pass the bar exam and win mathematics Olympiads, but we don't have domestic robots, we don't even have self driving cars." Then comes his sharpest comparison: "And we certainly do not have self driving cars that can teach themselves to drive in 20 hours of practice like any 17 year old. So we're missing something big still."
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Palantir CEO Alex Karp explains how to make yourself valuable when LLMs make general knowledge cheap: He starts from the premise that AI has already changed what knowledge is worth. "The thing about the commodity nature of LLM is it commodifies general knowledge." If a model can hand anyone broad, general information, that information no longer sets you apart. Karp says this matters most for one kind of person: the classically smart generalist. He uses Yale as his example, and he says he picks it because it's strong. "I like to pick on people who are strong. It's a very strong school." He still recommends the top schools: "There's a couple schools you should go to if you get into. Yale's one, Stanford's one. There's some schools you maybe should go to otherwise go to the cheapest school and come to [Palantir] or just come here." His point is that the degree alone doesn't protect you. General intelligence without specific knowledge does not hold up well: "If you are the kind of person that would have gone to Yale would have ear kind of classically high IQ um and you have generalized knowledge but it's not specific you're effed." So how do you become valuable? Karp's answer is to build deep, specific domain knowledge, the kind of practical ability that general knowledge can't stand in for. He gives concrete examples: "How do I actually bend the metal of the hull on a ship?" "How do I actually write a script that allows me to target terrorists..." "How do I put the cement in a factory with such precision that you can build a factory like it was built in Taiwan in America?" He also describes someone with only a high school diploma who can diagnose what's going wrong in a complicated device that would otherwise need a Japanese engineer to fix. Then he names the category plainly: "How do I do anything with deep specific particularly voca what's considered vocational training?" Karp says these are the people who will be rewarded: "Those people are going to make a a lot more money simply because you can turn it any way you want, but at the end of the day, within a relative rapid amount of time, you will get paid downstream of the value."
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Reddit CEO Steve Huffman explains why Reddit has effectively become the "modern oil" powering today's AI systems: Steve describes the scale of Reddit's role in shaping the AI we use today: "There's no AI as we know them without Reddit. Reddit is one of the single largest sources of training data for the LLMs and Reddit continues to be one of the primary sources of both training data and we're also the most cited platform across all models per Profound." This level of influence has transformed how Steve thinks about the content on the platform. Reddit has moved beyond being a discussion site and become core infrastructure for the modern internet: "What we found ourselves in this position is where the content on Reddit has effectively become like oil. Like modern oil is this foundational resource for the modern internet." Steve then explains the mechanics behind why Reddit's data is so valuable. Despite how advanced AI seems, the underlying process is more straightforward than it appears: "The reason for this is because there's no artificial intelligence without actual intelligence. At the end of the day, these models are quite simple. They're regurgitating on an absolutely massive scale what they've consumed elsewhere." And a huge portion of what they've consumed traces back to one source: "A large portion of that consumption is actually just the human conversation on Reddit. Because it's natural and it covers basically every topic imaginable." In a moment where AI dominates the conversation, Steve's point is a useful anchor — actual intelligence is still the raw material behind artificial intelligence.
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Lisa Su (CEO of AMD) unveils the world's smallest AI development PC, capable of running 200B parameter models locally.
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Years of reinforcement learning in one clip: Atlas pulls off a cartwheel-to-backflip combo with perfect balance.
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