---
title: "Co-sign."
source_name: "Marc Andreessen 🇺🇸(@pmarca)"
original_url: "https://x.com/pmarca/status/2050420768157409298"
canonical_url: "https://www.traeai.com/articles/24650e5e-67b4-490f-a7f7-8deda1b267ba"
content_type: "tweet"
language: "中文"
score: 2
tags: ["AI安全","大模型治理","社交媒体"]
published_at: "2026-05-02T03:43:00+00:00"
created_at: "2026-05-02T10:30:53.969548+00:00"
---

# Co-sign.

Canonical URL: https://www.traeai.com/articles/24650e5e-67b4-490f-a7f7-8deda1b267ba
Original source: https://x.com/pmarca/status/2050420768157409298

## Summary

该内容仅为Marc Andreessen对Ramez Naam一条关于AI安全需聚焦生态层面的推文的简短表态‘Co-sign.’，无原创技术分析、机制阐述或实质性信息。

## Key Takeaways

- 推文未提供任何技术细节或论证
- 核心观点完全来自被引用者Ramez Naam
- 缺乏上下文、数据支撑与可操作见解

## Content

Title: Marc Andreessen 🇺🇸 on X: "Co-sign." / X

URL Source: http://x.com/pmarca/status/2050420768157409298

Markdown Content:
# Marc Andreessen 🇺🇸 on X: "Co-sign." / X

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[![Image 3](https://pbs.twimg.com/profile_images/1820716712234303489/9GpKDZjq_normal.jpg)](http://x.com/pmarca)

[Marc Andreessen ![Image 4: 🇺🇸](https://abs.twimg.com/emoji/v2/svg/1f1fa-1f1f8.svg) ![Image 5](https://pbs.twimg.com/profile_images/1919488160125616128/QAZXTMEj_bigger.png)](http://x.com/pmarca)

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

Co-sign.

Quote

![Image 6](https://pbs.twimg.com/profile_images/1897785621802061824/N9bBY8w6_mini.jpg)

Ramez Naam

@ramez

·

8h

This perfectly illustrates why AI safety must be at the ecosystem level, not (just) at the individual model level. There are open weight models. They can be jailbroken. The AI genies are out of the bottle. No matter how safe your model is, there will be malicious actors who'll x.com/SynBio1/status…

[3:43 AM · May 2, 2026](http://x.com/pmarca/status/2050420768157409298)

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[37.8K Views](http://x.com/pmarca/status/2050420768157409298/analytics)

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## Relevant people

*     [![Image 7](https://pbs.twimg.com/profile_images/1820716712234303489/9GpKDZjq_normal.jpg)](http://x.com/pmarca)       [Marc Andreessen ![Image 8: 🇺🇸](https://abs.twimg.com/emoji/v2/svg/1f1fa-1f1f8.svg) ![Image 9](https://pbs.twimg.com/profile_images/1919488160125616128/QAZXTMEj_bigger.png)](http://x.com/pmarca) [@pmarca](http://x.com/pmarca)    Follow   Click to Follow pmarca  You’re not talking to someone who woke up a loser. That loser attitude, that loser premise makes no sense to me.   
*     [![Image 10](https://pbs.twimg.com/profile_images/1897785621802061824/N9bBY8w6_normal.jpg)](http://x.com/ramez)       [Ramez Naam](http://x.com/ramez) [@ramez](http://x.com/ramez)    Follow   Click to Follow ramez  Climate and clean energy investor. Author of 5 books. Energy & Environment co-chair [@SingularityU](http://x.com/SingularityU) . Trying to build a better world.   

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