Making AI accessible with Andrej Karpathy and Stephanie Zhan

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I'm filed to introduce our next and final speaker Andre karpathy I think karpathy probably needs no introduction most of us have probably watched his YouTube videos at length uh but he's a um he's renowned for his research in deep learning he designed the first deep learning class at Stamford was part of the founding team at open AI led the computer vision team at Tesla and is now a mystery man again now that he has just left open AI so we're very lucky to have you here here than Andre you've been such a dream speaker and so we're excited to have you and Stephanie close out the day thank [Applause] you Andre's first reaction as we walked up here was oh my God to his picture it's like a very intimidating I don't know what year was taken but he's he's impressed um okay amazing um Andre thank you so much for joining us today and welcome back yeah thank you um fun fact that most people don't actually know how many how many folks here know where open ai's original office was that's amazing um Nick I'm gonna guess right here right here right here on the opposite side of our uh San Francisco office where actually many of you guys were just in huddles so this is fun for us because it brings us back to Our Roots back when I first started at seoa and when Andre first uh started co-founding open aai um Andre in in addition to living out the Willy Wonka working a top a chocolate factory dream uh what were some of your favorite moments working from here yes opening I was right there um and this was the first office after I guess Greg's apartment which maybe doesn't count uh and so yeah we spent maybe two years here and the Chocolate Factory was just downstairs so it always smelled really nice uh and uh yeah I guess the team was you know 10 20 plus and uh uh yeah we had a few very fun episodes here one of them was eluded to by um by Jensen at GTC that happened just yesterday or two days ago so Jensen was describing how he brought the DG the first dgx and how he delivered it to open AI so that happened right there uh so that's where we all signed it it's in the room over there um so Andre needs no introduction but I wanted to give a little bit of backstory on some of his journey to date um as Sonia had introduced he was trained by Jeff Hinton and then uh Fay um you know his first claim to fame was his deep learning course at Stanford um he co-founded open AI back in 2015 and 2017 he was poached by Elon I remember this very very clearly for folks who don't under who don't remember the context then Elon had just transitioned through six different autopilot leaders each of whom lasted six months each and I remember when Andre took this job I thought congratulations and good luck um not too long after that uh you know he went back to open aai and has been there for the last year now unlike like all the rest of us today he is Basking in the ultimate Glory of freedom in all time and responsibility um and so we're really excited to to see what you have to share today a few things that I appreciate the most from Andre are that he is an incredible fascinating futurist thinker um he is a Relentless Optimist and he's a very practical Builder and so I think he'll share some of his insights around that today to kick things off um AGI even seven years ago seemed like an incredibly impossible task to achieve even in the span of our lifetimes now it seems within sight what is your view of the future over the next n years uh yes so I think you're right I think a few years ago I sort of felt like AGI was um um it wasn't clear how it was going to happen it was very sort of academic and you would like think about different approaches and now I think it's very clear and there's like a lot of space and everyone is trying to fill it and uh uh so there's a lot of optimization um and I think roughly speaking the way things are happening is um everyone is trying to build what I refer to as kind of like this llm OS um and basically I like to think of it as an operating system you have to get a bunch of like basically peripherals that you plug into this new CPU or something like that the peripherals are of course like text uh images audio and all the modalities and then you have a CPU which is the llm Transformer itself and then it's also connected to all the software 1.0 infrastructure that we've already built up for ourselves and so I think everyone is kind of trying to build something like that and then um make it available as something that's customizable to all the different nukes and crannies of the economy and so I think that's kind of roughly what everyone is trying to build out and what um uh what we sort of also heard about earlier today uh so I think um that's roughly where it's headed is um we can bring up and down these relatively uh you know self-contained agents that we can give high level tasks to and specialize in various ways so yeah I think it's going to be very interesting and exciting and it's not just one agent it's many agents and what does that look like and if that view of the future is true how should we all be living Our Lives differently um I don't I don't know I guess we have to try to build it influence it make sure it's good and uh yeah just uh try to try to make sure it turns out well so now that you're a free independent agent um I want to address the elephant in the room which is that open AI is um uh dominating the ecosystem and most of our audience here today are founders who are trying to carve out a little niche praying that open aai doesn't take them out overnight where do you think opportunities exist for other players to build new independent companies versus what areas do you think open AI will continue to dominate even as its ambition grows uh yes so my high level impression is basically open is trying to build out this lmos and I think uh as we heard earlier today like um is trying to develop this platform on top of which you can position different companies and different verticles now I think the OS analogy is also really interesting because when you get when you look at something like Windows or something like that these are also operating systems they come with a few default apps like a browser comes with Windows right you can use the edge browser and so I think in the same way openai or any of the other companies might come up with a few default apps quote unquote but it doesn't mean that you can have different browsers that are running on it just like you can have different chat agents uh sort of running on that infrastructure and so there will be a few default apps but there will also be potentially a vibrant ecosystem of all kinds of apps that are fine tune to all the different NS and cares of the economy and I really like the analogy of like the early um iPhone apps and what they looked like and they were all kind of like jokes and it took time for that to develop and I think absolutely I agree that we're going through the same thing right now people are trying to figure out what is this thing good at what is it not good at how do I work it how do I program with it how do I debug it how do I just you know uh actually get it to perform real tasks and what kind of oversight because it's quite autonomous but not fully autonomous so what does the oversight look like what does the evaluation look like there's many things to think through and just to understand sort of like the psychology of it and I think uh that's what's going to take some time to figure out exactly how to work with this infrastructure uh so I think we'll see that over the next few years so the race is on right now with llms open AI anthropic mol llama Gemini um the whole ecosystem of Open Source models now a whole longtail of small models how do you foresee the future of the ecosystem playing out yeah so again I think the open source anal sorry the operating systems analogy is interesting because we have say like we have basically an oligopoly of a few proprietary systems like say windows uh Mac OS Etc and then we also have Linux and so and Linux has an Infinity of distributions uh and so I think maybe it's going to look something like that I also think we have to be careful with the naming because a lot of the ones that you listed like Lama mrone I wouldn't actually say they're open source right and so like it's kind of like tossing over a binary for like an operating system you know like you can you can kind of work with it it's like it's like useful but um but it's not fully useful right and um there are a number of um what I would say is like fully uh open source llms uh so there's um know Pia models llm 360 Almo Etc so and they're fully releasing the entire infrastructure that's required to compile the the operating system right to train the model from the data to gather the data Etc and so when you're just given a binary it's much better of course because um you can fine-tune the model which is useful but also I think it's subtle but you can't fully fine-tune the model because the more you fine tune the model the more it's going to start regressing on everything else and so what you actually really want to do for example if you want to add capability is you uh and not regress the other capabilities you may want to train on some kind of um um like a mixture of the previous data set distribution and the new data set distribution because you don't want to regress the old distribution you just want to add knowledge and if you're just given the weights you can't do that actually you need the training Loop you need the data set Etc so you are actually constrained in how you can work with these models and um again like I think it's definitely helpful but it's uh I think we need like slightly better language for it almost so there's open weights models open source models and then um proprietary models I guess and that might be the ecosystem um and yeah probably it's going to look very similar to the ones that we we have today and hopefully you'll continue to help build some of that out um so I'd love to address the other ele in the room which is scale um simplistically it seems like scale is all that matters scale of data scale of compute and therefore the large research Labs large Tech Giants have an immense advantage today um what is your view of that and and is that all that matters and if not what else does um so I would say scale is definitely number one uh I do think there are details there to get right and I think you know um a lot also goes into the data set propriation and so on making it uh very good clean Etc that matters a lot these are all sort of like compute efficiency gains that you can get so there's the data the algorithms and then of course the um the training of the model and making it really large so I think scale will be the primary determining factor is like the first principal component of things for sure uh but there are many of many of the other things uh that um that you need to get right so it's almost like the scale set some kind of a speed limit almost uh but you do need some of the other things but it's like if you don't have the scale then you fundamentally just can't train some of these massive models if you are going to be training models uh if you're just going to be doing fine tuning and so on then I think um maybe less scale is is necessary but we haven't really seen that just yet to fully play out and can you share more about some of the ingredients that you think also matter maybe lower in priority behind scale um yeah so the first thing I think is like you can't just train these models if you have if you're just given the money and the scale it's actually still really hard to build these models and part part of it is that the infrastructure is still so new and it's still being developed not quite there but uh training these models at scale is extremely difficult and is a very complicated distributed optimization problem and there's actually like the talent for this is fairly scarce right now and uh it just basically turns into this uh insane thing running on tens of thousands of gpus all of them are like failing at random at different points in time and so like instrumenting that and getting that to work is actually extremely difficult challenge uh gpus were not like intended for like 10,000 GPU workloads until very recently and so I think a lot of the infrastructure is sort of like creaking under that pressure and uh we need to like work through that but right now if you're just giving someone a ton of money or a ton of scale or gpus it's not obvious to me that they can just produce one of these models which is why uh you know it's not it's not just about scale you actually need a ton of uh expertise both on the infrastructure side the algorithm side um and then the data Side and being careful with that so I think those are the major components the ecosystem is moving so quickly um even some of the challenges we thought existed a year ago are being solved more more today um hallucinations context Windows multimodal capabilities inference getting better faster cheaper um what are the llm research challenges today that keep you up at night what do you think are medy enough problems but also solvable problems that we can continue to go after so I would say on the algorithm side one thing I'm thinking about quite a bit is uh the this like distinct split between diffusion models and autoaggressive models they're both ways of presenting problem the distributions and it just turns out that different modalities are apparently a good fit for one of the two I think that there's probably some space to unify them or to like connect them in some way uh and also um get some Best Best of Both Worlds or um sort of figure out how we can get a hybrid architecture and so on so it's just odd to me that we have sort of like two separate SP points in the space of models and they're both extremely good and it just feels wrong to me that there's nothing in between uh so I think we'll see that sort of carved out and I think there are interesting problems there and then the other thing that maybe I would point to is there's still like a massive Gap in just um the energetic efficiency of running all this stuff so my brain is 20 watts roughly uh Jensen was just talking at GTC about you know the massive super computers that they're going to be building now these are the numbers are in mega megawatts right and so maybe you don't need all that to run like a brain I don't know how much you need exactly but I think it's safe to say we're probably off by a factor of a thousand to like a million somewhere there in terms of like the efficiency of running these these models uh and I think part of it is just because the computers we've designed of course are just like not a good fit for this workload um and I think part Nvidia gpus are like a good step in that direction uh in terms of like the you need extremely high parallelism we don't actually care about sequential computation that is sort of like data dependent in some way we just have these uh we just need to like blast the same algorithm across many different uh sort of U array elements or something you can think about it that way so I would say number one is just um adapting the computer architecture to the new uh data workflows number two is like pushing on a few things that we're currently seeing improvements on so number one maybe is uh Precision we're seeing Precision come down from what originally was was like 64 bit for double we're now to down to I don't know it is 456 or even 1.58 depending on which papers you read and so I think Precision is one big lever of um of getting a handle on this and then second one of course is sparsity so that's also like another big Delta would say like your brain is not always fully activated and so sparity I think is another big lever but then the last lever I also feel like just the V noyman architecture of like computers and how they built where you're shuttling data in and out and doing a ton of data movement between memory and you know the cores that are doing all the compute this is all broken as well kind of and it's not how your brain works and that's why it's so efficient and so I think it should be a very exciting time in computer architecture I'm not a computer architect but I think there's uh it seems like we're off by a factor of a million thousand to a million something like that and there should be really exciting um sort of Innovations there that um that bring that down I think there are at least a few builders in the audience working on this problem um okay Switching gears a little bit um you've worked alongside many of the greats of Our Generation Um Sam Greg from openai and the rest of the open AI team Elon Musk um who here knows the the joke about the uh rowing team the American team versus the Japanese team okay great so this will be a good one uh Elon shared this at Al LS base camp and I think it reflects a lot of his philosophy around how he builds uh cultures and teams so you have two teams um the Japanese team has four rowers and one steerer and the American team has four steerers and one rower and can anyone guess when the American team loses what do they do shout it out exactly they fire the rower and and Elon shared this example I think as a reflection of how he thinks about hiring the right people building the right people building the right teams at the right ratio um from working so closely with folks like these incredible leaders what have you learned uh yeah so I would say definitely Elon runs this company is an extremely unique style I don't actually think that people appreciate how unique it is you sort of like even read about in some but you don't understand it I think it's like even hard to describe I don't even know where to start but it's like a very unique different thing like I I like to say that he runs the biggest startups and I think um it's just um I don't even know basically like how to describe it it almost feels like it's a longer sort of thing that I have to think through but well number one is like so he likes very small strong highly technical uh teams uh so that's number one so um I would say at companies by default they sort of like the teams grow and they get large Elon was always like a force against growth I would have to work and expend effort to hire people I would have to like basically plead to higher people um and then the other thing is at big companies usually you want um it's really hard to get rid of low performers and I think Elon is very friendly to by default getting getting rid of low performance so I actually had to fight for people to keep them on the team uh because he would by default want to remove people and so uh that's one thing so keep a small strong highly technical team uh no middle management that is kind of like uh non-technical for sure uh so that's number one number two is kind of like The Vibes of how this is how everything runs and how it feels when he sort of like walks into the office office he wants it to be a vibrant place people are walking around they're pacing around they're working on exciting stuff they're charting something they're coding you know he doesn't like stagnation he doesn't like to look for it to look that way he doesn't like large meetings he always encourages people to like leave meetings if they're not being useful uh so actually do see this or you know it's a large meeting and some if you're not contributing and you're not learning just walk out and this is like fully encouraged and I think this is something that you don't normally see so I think like Vibes is like a second big big lever that I think he really instills culturally uh maybe part of that also is like I think a lot of bigger companies they like pamper employees I think like there's much less of that it's like the the culture of it is you're there to do your best technical work and there's the intensity and and so on and I think maybe the last one that is very unique and very interesting and very strange is just how connected he is to the team uh so usually a CEO of a company is like a remote person five layers up who talks to their VPS who talk to their you know reports and directors and eventually you talk to your manager it's not how your ask companies right like he will come to the office he will talk to the engineers um many of the meetings that we had were like uh okay um 50 people in the room with Elon and uh he talks directly to the engineers he doesn't want to talk just to the VPS and the directors uh so I you know um normally people would talk spend like 99% of the time maybe talking to the VPS he spends maybe 50% of the time and he just wants to talk to the engineers so if if the team is small and strong then engineers and the code are the source of Truth and so they have the source of Truth not some manager and he wants to talk to them to understand the actual state of things and what should be done to improve it uh so I would say like the degree to which he's connected with the team and not something remote is also unique and um and also just like his large hammer and his willingness to exercise it within the organization so maybe if he talks to the engineers and they bring up that you know what's blocking you okay I I just I don't have enough gpus to run my my thing and he's like oh okay and if he if he hears that twice he's going to be like okay this is a problem so like what is our timeline and when when you don't have satisfying answers he's like okay I want to talk to the person in charge of the GPU cluster and like someone dials the phone and he's just like okay double the cluster right now like let's let's have a meeting tomorrow from now on send me daily updates until cluster is H twice the size and then they kind of like push back and they're like okay well we have this procurement set up we have this timeline and Nvidia says that we don't have enough GP gpus and it will take six months or something and then you get a rise of an eyebrow and then he's like okay I want to talk to Jensen and then he just kind of like removes bottlenecks so I think the extent to which he's extremely involved and removes bottlenecks and applies his hammer I think is also like not appreciated so I think there's like a lot of these kinds of aspects that are very unique I would say and very interesting and honestly like going to a normal company outside of that is is uh you you like definitely miss aspects of that uh and so I think yeah that's maybe maybe that's a long rent but that's just kind of like I don't think I hit all the points but it is a very unique uh thing and uh it's very interesting and yeah I guess that's my brand hopefully tactics that most people here can employ um taking a step back you've helped build some of the most generational companies you've also been such a key enabler for many people many of whom are in the audience today of getting into the field of AI um knowing you what you care most about is democratizing AC access uh to AI education tools uh helping uh create more equality in the in the whole ecosystem at large there are many more winners um as you think about the next chapter in your life what gives you the most meaning uh yeah I think like I think you've described it on in the right way like where my brain goes by default is um like you know I've worked for a few companies but I think like ultimately I care not about any one specific company I care a lot more about the ecosystem I want the ecosystem to be healthy I want it to be thriving I want it to be like a coral reef of a lot of cool exciting startups and all the nukes and crannies of the economy and I want the whole thing to be like this boiling soup of cool stuff and genuinely Andre dreams about coral reefs you know I want it to be like a cool place and I think um yeah that's why I love startups and I love companies and I want uh there to be a vibrant ecosystem of them and um by default I would say a bit more hesitant about kind of like you know uh like five Mega Corps kind of like taking over especially with AGI being such a magnifier of power uh I would be kind of I'm kind of uh worried about what that could look like and so on so uh so I have to think that through more but yeah I like I love the ecosystem and I want it to be healthy and vibrant amazing um we'd love to have some questions from the audience yes Brian hi um Brian hallan would you recommend Founders follow elon's management methods or is it kind of unique to him and you shouldn't try to copy him um yeah I think that's a good question I think it's up to the DNA of the the founder like you have to have that same kind of a DNA and that some some kind of a Vibe and I think when you're hiring the team it's really important that you're like the you're you're making it clear upfront that this is the kind of company that you have and when people send up for it they're uh they're very happy to go along with it actually but if you change it later I think people are happy with that and that's very messy uh so as long as you do it from the start and you're consistent I think you can run a company like that um and uh you know uh but uh you know it has its own like pros and cons as well and I think uh um so you know up to up to people but I think it's a consistent model of company building and running yes Alex hi um I'm curious if there any types of model composability that you're really excited about um maybe other than mixture of experts I'm not sure what you think about like merge model merges Franken merges or any other like things to make model development more composable yeah that's a good question um I see like papers in this area but I don't know that anything has like really stuck maybe the composability I don't exactly know what you mean but you know there's a ton of uh work on like uh primary efficient training and things like that I don't know if you would put that in the category of composability in the way I understand it but um it's only the case that like traditional code is very composable and I would say neural lots are a lot more fully connected uh and less composable by default but they do compose and confine tune as a part of a whole so as an example if you're doing like a system that you want to have chpt and just images or something like that it's very common that you pre-train components and then you plug them in and fine tune maybe through the whole thing as an example so there's composability in those aspects where you can pre-train small pieces of the cortex outside and compose later uh so through initialization and fine tuning so I think to some extent it's um so maybe those are my scattered thoughts on it but I don't know if I have anything very coherent otherwise yes Nick um so you know we've got these next word prediction things do you think there's a path towards building a physicist or a Von noyman type model that has a mental model of physics that's self consistent and can generate new ideas for how do you how do you actually do Fusion how do you get faster than light if it's even possible is is there any path towards that or is it like a fundamentally different Vector in terms of these AI model developments I think it's fundamentally different in some in one aspect I guess like what you're talking about maybe is just like capability question because the Curr models are just like not good enough and I think there are big rocks to be turned here and I think people still haven't like really seen what's possible in the space uh like at all and I like roughly speaking I think we've done step one of alpha go this is what the team we've done imitation learning part uh there's step two of Alo which is the RL and people haven't done that yet and I think it's going to fundamentally like this is the part that actually made it work and made something superum uh and so I think uh this is uh I think there's like big rocks in capability to still be turned over here um and uh you know the details of that like are are kind of tricky potentially but I think this is we just haven't done step two of alphao long story short and we've just done imitation and I don't think that people appreciate like for example um number one like how terrible the data collection is for things like jpt like say you have a problem like some prompt is some kind of mathematical problem a human comes in and gives the ideal solution right to that problem the problem is that the human psychology is different from the model psychology what's easy or hard for the mo for the human are different to what's easy or hard for the model and so human kind of fills out some kind of a trace that like comes to the solution but like some parts of that are trivial to the model and some parts of that are massive leap that the model doesn't understand and so um you're kind of just like losing it and then everything else is polluted by that later and so like fundamentally what you need is the model my the model needs to practice itself uh how to solve these problems it needs to figure out what works for it or does not work for it uh maybe maybe it's not very good at four-digit Edition so it's going to fall back and use a calculator uh but it needs to learn that for itself based on its own capability and its own knowledge so that's number one is like that's totally broken I think it's a good initializer though um for something agent likee and then the other thing is like we're doing reinforcement learning from Human feedback but that's like a super weak form of reinforcement learning doesn't even count as reinforcement learning I think like what is the equivalent in Alpha go for rhf it's like what is what is the reward model it's it's a what I call it's a Vibe check U like imagine like if you wanted to train like an alpha go rhf it would be giving two people two boards and like said which one do you prefer and then you would take those labels and you would train model and then you would ARL against that what are the issues with that it's like number one that's it's just Vibes of the board that's what you're training against number two if it's a reward model that's a neural nut then it's very easy to overfit to that reward model for the model you're optimizing over and it's going to find all these spous uh uh ways of uh hacking that massive model is the problem uh so alphago gets around these problems because they have a very clear objective function you can ARL against it so rlf is like nowhere near I would say RL is like silly and the other thing is imitation learning super silly RL HF is nice Improvement but it's still silly and I think people need to look for better ways of training these models so that it's in the loop with itself and its own psychology and I think we're uh there will probably be unlocks in that direction so it's sort of like graduate school for AI models it needs to sit in a room with a book and quietly question itself for a decade yeah I think that would be part of it yes and I think like when you are learning stuff and you're going through textbooks like there is an exerc you know there's exercises in the textbook what are those those are prompts to you to exercise the material right uh so and when you're learning material not just like reading left or right right like number one you're exercising but maybe you're taking notes you're rephrasing reframing like you're doing a lot of manipulation of this knowledge in a way of you like learning that knowledge and we haven't seen equivalence of that at all in llms so it's like super early days I think um yes Yi yeah uh it's cool to be to be uh optimal and uh and and practical at the same time so I would I would be asking like how would you be align the priority of like a either doing cost reduction and revenue generation or be like finding the better quality models with like better reasoning capabilities how would you be aligning that so maybe I understand the question I think what I see a lot of people do is they start out with the most capable model that doesn't matter what the cost is so you use uh gp4 you use super prompt it Etc you do rag Etc so you're just trying to get your thing to work so you go after you're go you're going after uh sort of accuracy first and then you make concessions later you check if you can fall back to 3.5 for certain types of queries you check if you um and you sort of make it cheaper later so I would say go after performance first and then you make it cheaper later um it's kind of like the Paradigm that I've seen a few people that I talked to about this kind of U say works for them um uh and uh maybe it's not even just a single prom product think about what are the ways in which you can even just make it work at all because if you just can make it work at all like say you make 10 prompts or 20 prompts and you pick the best one and you have some debate or I don't know what kind of a crazy flow you can come up with right like just get your thing to work really well because if you have a thing that works really well then one other thing you can do is you can distill that right so you can get a large distribution of possible problem types you run your super expensive thing on it to get your labels and then you get a smaller cheaper thing that you find you on it and so I would say I would always go after sort of get it to work as well as possible no matter what first and then make it cheaper is the thing I would suggest Hi Sam hi um one question um so this past year we saw a lot of kind of um impressive results from open source ecosystem I'm curious what your opinion is of how that will continue to keep Pace or not keep Pace with closed Source development um as the models continue to improve in scale uh yeah I think that's a very good question um yeah I think that's a very good very good question I don't I don't really know fundamentally like these models are so Capital intensive right like one thing that is really interesting is for example you have Facebook and meta and so on who can afford to train these models at scale but then it's also not part of it's not the thing that they do and it's not invol like their money printer is unrelated to that and so they have actual incentive to um potentially release some of these models so that they uh empower the ecosystem as a whole so they can actually borrow all the best ideas so that to me makes sense uh but so far I would say they've only just done the open weights model and so I think they should actually go further and that's what I would hope to see and I think it would be better for everyone and I think potentially maybe there's squeamish about some of the uh some of the aspects of it eventually with respect to data and so on I don't know how to overcome that um maybe they should like try to just uh uh find data sources that they think are you know uh very easy to use or something like that and try to constrain themselves to those so I would say like those are kind of our Champions um potentially and uh that's I would like to see more transparency also coming from you know and I think meta and Facebook are doing pretty well like they released paper they published a log book and sorry was yeah log book and so on so they're doing um I think they're doing well but they're they could do uh much better in terms of fostering the ecosystem and I think maybe that's coming we'll see Peter yeah uh maybe this is like an obvious answer given the previous question but what do you think would make the AI ecosystem cooler and more vibrant or what's holding it back is it you know openness or do you think there's other stuff that is also like a big thing that you'd want to work on um yeah I certainly think like one big aspect of is just like the stuff that's available I had a tweet recently about like number one build the thing number two build the ramp I would say there's a lot of people building a thing I would say there's lot a lot less happening of like building ramps so that people can actually understand all this stuff and you know I think we're all new to all of this we're all trying to understand how it works we all we all need to like ramp up and collaborate to some extent to even figure out how to use this effectively so I would love for people to be a lot more open uh uh with respect to you know what they've learned how they've trained all this how what works what doesn't work for them Etc and um yes just from us to like learn a lot more from each other that's number one and then uh number two I also think like there is quite a bit of momentum of in the open ecosystems as well uh so I think that's already good to see and maybe there's some opportunities for improvement I talked about already um so yeah last question from the audience Michael to get to like the the next big performance leap uh from Models do you think that it's sufficient to modify the Transformer architecture with say uh thought tokens or activation beacons or do we need to throw that out entirely um and come up with a new fundamental building block to take us to the next big step forward or AGI um yeah I think I think that's a good question um I think well the first thing I would say is like Transformer is amazing is just like so incredible I don't think I would have seen that coming for sure um like for a while before the Transformer arrived I thought there would be a insane diversification of neural networks and that was not the case it's like complete opposite actually it's a complete like it's like all the same model actually so it's incredible to me that we have that I don't know that it's like the final neural network I think there there will definitely be I would say it's really hard to tell to say that given the history of the of the field and I've been in it for a while it's really hard to to say that this is like the end of it absolutely it's not and I think uh I feel very optimistic that someone will be able to find a pretty big change to how we do things today I would say on the front of the autoaggressive or diffusion which is kind of like the modeling and the the law setup um I would say there's definitely some fruit there probably but also on the Transformer and like I mentioned these levers of precision and sparcity and as we drive that and together with the codesign of the hardware and how that might evolve uh and just making Network architectures there a lot more sort of well tuned to those constraints and how all that works um um I to some extent also I would say like Transformer is kind of designed for the GPU by the way like that was the big leap I would say in the Transformer paper and that's where they were coming from is we want an architecture that is fundamentally extremely paralyzable and because the recurrent neural network has sequential dependencies terrible for GPU uh Transformer basically broke that through the attention and uh this was like the major sort of insight there and it has some predecessors of insights like the neural GPU and other papers at Google they were sort of thinking about this but that is a way of targeting the algorithm to the hardware that you have available so I would say that's kind of like in that same Spirit but long story short like I I think it's very likely we'll see changes to it still but it's been it's been proven like remarkably resilient I have to say like it came out you know many years ago now like I don't know yeah something six seven yeah so uh you know like the original Transformer and what we're using today are like not super different um yeah as a parting message to all the founders and builders in the audience what advice would you give them as they dedicate the rest of their lives to helping shape the future of AI uh so yeah I don't I don't have super I don't usually have crazy generic advice I think like maybe the thing that's top of my mind is I I think uh founders of course care a lot about like their startup I would I also want like how do we have a vibrant ecosystem of startups how do startups continue to win especially with respect to like big Tech and how do we how how's the E how how does the ecosystem become healthier and what can you do sounds like you should become an investor amazing um thank you so much for joining us Andre for this and also for the whole day [Applause] today
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Channel: Sequoia Capital
Views: 181,340
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Length: 36min 58sec (2218 seconds)
Published: Tue Mar 26 2024
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