Andrej Karpathy has written large language models the way most of us have written CRUD apps. He was a founding member of OpenAI, ran AI at Tesla, and joined Anthropic this spring to train Claude. He wrote nanoGPT and llm.c, the small readable codebases people use to learn how a language model works end to end.
When Anthropic put Claude inside Slack, he called it “a new paradigm” — the third major redesign of how humans use these systems. Not a website you visit anymore, not an app you install, but “a self-contained, persistent, asynchronous entity with org-wide tools and context, working alongside teams of humans.”
He closed with: “it works and it is awesome.”
The replies had a different read. One of them, in full:
> This is a new paradigm
brother it's a slack integration
I miss the old andrej — @MatthewFoxAF June 24, 2026
Hold that exchange still for a second. Nobody in it is stupid. That’s what makes it worth understanding.
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