How I use LLMs
Andrej Karpathy · 25,287 words · 126 min read · EN

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hi everyone so in this video I would like to continue our general audience series on large language models like chpd now in the previous video deep dive into llms that you can find on my YouTube we went into a lot of the underhood fundamentals of how these models are trained and how you should
think about their cognition or psychology now in this video I want to go into more practical applications of these tools I want to show you lots of examples I want to take you through all the different settings that are available and I want to show you how I use these tools and how you can also use
them uh in your own life and work so let's dive in okay so first of all the web page that I have pulled up here is chp.com now as you might know chpt it was developed by openai and deployed in 2022 so this was the first time that people could actually just kind of like
talk to a large language model through a text interface and this went viral and over all over the place on the internet and uh this was huge now since then though the ecosystem has grown a lot so I'm going to be showing you a lot of examples of Chachi PT specifically but now in
2025 uh there's many other apps that are kind of like Chachi PT like and this is now a much bigger and richer ecosystem so in particular I think Chachi PT by openai is this Original Gangster incumbent it's most popular and most featur rich also because it's been around the longest but there are many
other kind of clones available I would say I don't think it's too unfair to say but in some cases there are kind of like unique experiences that are not found in chashi p and we're going to see examples of those so for example big Tech has followed with a lot of uh kind of chat
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