Vinson·Li

Index

On openai

  1. "World simulator" is doing a lot of work

    OpenAI's Sora generates minute-long videos that look astonishing. Its technical report calls it a world simulator. The samples show both why that's tempting and why it isn't true yet.

    2 min
  2. The model rewrites your prompt

    DALL·E 3 in ChatGPT doesn't use what you typed. It has a language model write a long, detailed prompt for you. Creative tools are turning into agents that interpret intent.

    2 min
  3. GPT-4 reads the picture

    OpenAI's GPT-4 scores near the top of the bar exam and can explain a joke in a photo. Describing a scene is useful, but I'm still unsure how far that gets it toward understanding the physical world.

    2 min
  4. ChatGPT is a product, not a model

    A million people signed up in five days. The underlying model isn't new. What's new is the interface and the training to follow instructions, and that changes every software team.

    2 min
  5. It learned Minecraft by watching YouTube

    OpenAI's VPT labeled 70,000 hours of Minecraft videos with the actions players took, using a small model trained on a little labeled data. Passive video became interaction data.

    2 min
  6. Copilot finished my function

    GitHub's Copilot preview suggests whole functions inside the editor. Two days of using it on side projects, and what changes when the IDE becomes a conversation.

    2 min
  7. GPT-3 wrote a React component from a sentence

    The demos flooding Twitter this week come from the same next-word objective as GPT-2, scaled a hundred times. Few-shot learning appeared on its own. Coding changes first.

    2 min
  8. "Too dangerous to release"

    OpenAI trained a much bigger language model and is holding back the full version. The unicorn story is impressive. What's actually dangerous is cheap, plausible text at scale.

    2 min