Show notes for every episode, with timestamps

The request body we sent. Long texts and lists in the result are shortened for this page.

{
  "videos": [
    "https://www.youtube.com/watch?v=cdiD-9MMpb0"
  ]
}

{
  "videoId": "cdiD-9MMpb0",
  "url": "https://www.youtube.com/watch?v=cdiD-9MMpb0",
  "title": "Andrej Karpathy: Tesla AI, Self-Driving, Optimus, Aliens, and AGI | Lex Fridman Podcast #333",
  "channelName": "Lex Fridman",
  "channelUrl": "https://www.youtube.com/@lexfridman",
  "durationSeconds": 12518,
  "language": null,
  "languageMatched": true,
  "text": "- I think it's possible that physics has exploits and we should be trying to find them. Arranging some kind of a crazy quantum mechanical system that somehow gives you buffer overflow, somehow gives you a rounding error in the floating point. Synthetic intelligence is kind of like the next stage of development. And I dunno where it leads to, at some point I suspect the universe is some kind of a puzzle. These synthetic AIs will uncover that puzzle and solve it. - The following is a conversation with Andrej Karpathy, previously the director of AI at Tesla. And before that, at OpenAi and Stanford. He is one of the greatest scientists, engineers, and educators in the history of artificial intelligence. This is the Lex Fridman Podcast. To support it, please check out our sponsors. And now, dea…",
  "wordCount": 39509,
  "segments": [
    {
      "start": 0,
      "end": 3.6,
      "text": "- I think it's possible that physics has exploits and we should be trying to find them."
    },
    {
      "start": 3,
      "end": 10.77,
      "text": "Arranging some kind of a crazy quantum mechanical system that somehow gives you buffer overflow, somehow gives you a rounding error in the floating point."
    },
    {
      "start": 10,
      "end": 15.36,
      "text": "Synthetic intelligence is kind of like the next stage of development."
    },
    {
      "start": 15,
      "end": 23.16,
      "text": "And I dunno where it leads to, at some point I suspect the universe is some kind of a puzzle."
    },
    {
      "start": 23,
      "end": 27.663,
      "text": "These synthetic AIs will uncover that puzzle and solve it."
    },
    {
      "start": 30,
      "end": 39.87,
      "text": "- The following is a conversation with Andrej Karpathy, previously the director of AI at Tesla. And before that, at OpenAi and Stanford."
    },
    {
      "start": 39,
      "end": 47.85,
      "text": "He is one of the greatest scientists, engineers, and educators in the history of artificial intelligence."
    },
    {
      "start": 47,
      "end": 57.123,
      "text": "This is the Lex Fridman Podcast. To support it, please check out our sponsors. And now, dear friends, here's Andrej Karpathy."
    },
    {
      "start": 58,
      "end": 65.46,
      "text": "What is a neural network and why does it seem to do such a surprisingly good job of learning? - What is a neural network?"
    },
    {
      "start": 65,
      "end": 72.72,
      "text": "It's a mathematical abstraction of the brain. I would say that's how it was originally developed."
    },
    {
      "start": 72,
      "end": 77.43,
      "text": "At the end of the day, it's a mathematical expression and it's a fairly simple mathematical expression when you get down to it."
    },
    {
      "start": 77,
      "end": 85.652,
      "text": "It's basically a sequence of meter multipliers, whichever really dot products mathematically and some nonlinearity is thrown in."
    }
  ],
  "chapters": [
    {
      "title": "Chapter 1: Introduction",
      "start": 0
    },
    {
      "title": "Chapter 2: Neural networks",
      "start": 58
    },
    {
      "title": "Chapter 3: Biology",
      "start": 361
    },
    {
      "title": "Chapter 4: Aliens",
      "start": 692
    },
    {
      "title": "Chapter 5: Universe",
      "start": 1303
    },
    {
      "title": "Chapter 6: Transformers",
      "start": 2014
    },
    {
      "title": "Chapter 7: Language models",
      "start": 2510
    },
    {
      "title": "Chapter 8: Bots",
      "start": 3121
    },
    {
      "title": "Chapter 9: Google's LaMDA",
      "start": 3501
    },
    {
      "title": "Chapter 10: Software 2.0",
      "start": 3944
    },
    {
      "title": "Chapter 11: Human annotation",
      "start": 4604
    },
    {
      "title": "Chapter 12: Camera vision",
      "start": 4721
    }
  ],
  "scrapedAt": "2026-10-21T06:31:40.512Z"
}