---
title: "Yes it's the tractable form of brain upload. There's a ton of scifi on brain uploads that requires w..."
source_name: "Andrej Karpathy(@karpathy)"
original_url: "https://x.com/karpathy/status/2042626702459674801"
canonical_url: "https://www.traeai.com/articles/fc53c043-ca39-4318-9345-881140a68734"
content_type: "tweet"
language: "英文"
score: 7.5
tags: ["LLM","人工智能","脑机接口","数字永生"]
published_at: "2026-04-10T15:32:10+00:00"
created_at: "2026-04-19T13:46:41.828333+00:00"
---

# Yes it's the tractable form of brain upload. There's a ton of scifi on brain uploads that requires w...

Canonical URL: https://www.traeai.com/articles/fc53c043-ca39-4318-9345-881140a68734
Original source: https://x.com/karpathy/status/2042626702459674801

## Summary

Karpathy提出LLM微调可实现近似“大脑上传”，通过视频访谈数据训练个性化模型，比科幻设想更可行。

## Key Takeaways

- LLM微调可构建个性化的“数字大脑”模拟
- 该方法比传统脑扫描上传技术更现实可行
- 已有工具如HeyGen展示了初步可能性

## Content

Title: Andrej Karpathy on X: "@jenzhuscott Yes it's the tractable form of brain upload. There's a ton of scifi on brain uploads that requires way too exotic tech (scanning and simulating brains etc), when we're about to get a lossy and approximate version of that *a lot* sooner via LLM simulators. You can easily imagine a" / X

URL Source: http://x.com/karpathy/status/2042626702459674801

Markdown Content:
# Andrej Karpathy on X: "@jenzhuscott Yes it's the tractable form of brain upload. There's a ton of scifi on brain uploads that requires way too exotic tech (scanning and simulating brains etc), when we're about to get a lossy and approximate version of that *a lot* sooner via LLM simulators. You can easily imagine a" / X

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[![Image 1](https://pbs.twimg.com/profile_images/1296667294148382721/9Pr6XrPB_normal.jpg)](http://x.com/karpathy)

[Andrej Karpathy](http://x.com/karpathy)

[@karpathy](http://x.com/karpathy)

Yes it's the tractable form of brain upload. There's a ton of scifi on brain uploads that requires way too exotic tech (scanning and simulating brains etc), when we're about to get a lossy and approximate version of that *a lot* sooner via LLM simulators. You can easily imagine a "brain upload" startup - you show up for a few days to carry out detailed video interviews, then they use all that data with an LLM finetuning process to "upload" you and give you an API endpoint of your simulation that you can talk to. Look at what's already possible with HeyGen as an example, but combine it with an LLM model that has deep knowledge and personality. Trippy and admittedly kind of dystopian but in principle quite possible around now.

[3:32 PM · Apr 10, 2026](http://x.com/karpathy/status/2042626702459674801)

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*     [![Image 2](https://pbs.twimg.com/profile_images/1296667294148382721/9Pr6XrPB_normal.jpg)](http://x.com/karpathy)       [Andrej Karpathy](http://x.com/karpathy) [@karpathy](http://x.com/karpathy)    Follow   Click to Follow karpathy  I like to train large deep neural nets. Previously Director of AI @ Tesla, founding team @ OpenAI, PhD @ Stanford.   

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