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Andrej Karpathy is an AI researcher and educator who explains neural networks and language models through long-form lectures, essays, and small code implementations. General-audience videos explore how LLMs work and fail, while micrograd and microgpt give Python programmers a path into backpropagation and GPT training.

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Andrej Karpathy

We're starting to leave the territory where you'd test an LLM by e.g.

Andrej Karpathy

One pattern I find useful for working with LLMs is a nice long ramble session.

Andrej Karpathy

This is a new paradigm for interacting with Claude that is significantly more "inline" with all the other human activity org-wide.

Andrej Karpathy

In awe of SpaceX and its story - past, present and the future.

Andrej Karpathy

This is a super exciting release - Claude Fable 5 is the same underlying model as Mythos but with added safeguards.

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  • Andrej KarpathyCurrent profile

    TopicsAI, technology & development

    Andrej Karpathy is an AI researcher and educator who explains neural networks and language models through long-form lectures, essays, and small code implementations. General-audience videos explore how LLMs work and fail, while micrograd and microgpt give Python programmers a path into backpropagation and GPT training.

  • 사이먼 윌리슨Compared content(new tab)

    TopicsLLM의 다음 토큰 예측 · 문맥과 도구 활용 · 환각 및 결과 검토

    What do they make?LLM 기초를 배운 뒤 문맥 제공·도구 활용·출력 검토의 실무 사례를 글로 읽고 싶다면 윌리슨의 이 글을 함께 볼 만해요. 두 글의 목적이 달라서 하는 추천이고, 두 사람의 종합 우열을 뜻하지는 않아요.Compared content: Deep Dive into LLMs like ChatGPT (new tab)Read together: Making Large Language Models work for you (new tab)Content checked: 9/24/2026
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Earlier posts

Andrej Karpathy

Auto-grading decade-old Hacker News discussions with hindsight

Andrej Karpathy

Power to the people: How LLMs flip the script on technology diffusion

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