Back to News

Physicist Yin Xi leaves OpenAI after about six months

#openai#yin xi#physicist#departure

Harvard physicist Yin Xi announced on Twitter that he is leaving OpenAI, where he had worked for about six months since joining in late May. He described the experience as a great journey but said he plans to get off early to explore new directions, without disclosing his next move. Yin, known for string theory research, had previously estimated that AI accelerated his coding work by at least 100 times.

Coverage timeline

  1. 量子位量子位

    henry 2026-11-05 11:58:41 来源: 量子位 尹希官宣离开OpenAI henry 发自 凹非寺 量子位 | 公众号 QbitAI OpenAI,你也留不住人呐,我看。 就在刚刚,哈佛史上最年轻的华人正教授、斯隆奖和物理学新视野奖得主、弦理论领域的明星学者—— 尹希 ,官宣离开OpenAI了。 从今年5月底传出加盟消息,到如今亲自宣布离开,前后也就半年光阴~ 对于这次离职,在个人推特中,他给出的说法是: 这是一段非常棒的旅程,不过我打算提前下车,去探索新的方向。 尹希还透露,这是他的 第一份企业工作。 他特别感谢了Alex Lupsasca和Boris Alexeev,帮助自己适应这份工作,也感谢Dan Roberts一直以来的支持。末尾还不忘给同事们打气:“我会继续为你们加油!” 至于大家最关心的下一站,尹希还没透露。哈佛物理系官网上,他的教授身份仍然在列。 也许,可能,真的可能只是学术休假来体验一下生活。 当然,也有网友直接点名 Discovery Loop,前谷歌首席科学家Jeff Dean等人创办的AI公司。 到底去哪,先让子弹飞一会吧。 尹希是谁? 尹希12岁进入中科大少年班,2006年取得哈佛大学物理学博士学位,2015年、31岁时晋升哈佛正教授,被不少媒体称为“哈佛史上最年轻的华人正教授”。 他长期研究弦理论、量子场论和量子引力,2013年获得斯隆研究奖,后来又与Simone Giombi凭借高自旋引力及其全息对应研究,拿下2017年物理学新视野奖。 除了超出常人的天才履历,对于AI,这位物理学家的态度也相当鲜明。 今年4月,在加盟消息传出之前,尹希接受《哈佛深红报》采访,直接表示: 我不认为存在任何一种人类智力能力,是AI无法复制的。 这种对技术的乐观部分来自于他对AI的使用体验。 尹希估计,在大量人工监督下,AI仍让自己的研究编码工作至少提速了100倍—— AI几周写出的代码,换成他自己来,得写十年。 一些过去因为工作量太大、根本不会考虑开展的研究,现在也能动手试了。 到了今年9月,围绕AI究竟会给数学带来什么,学界又展开了一场争论。 陶哲轩等25位菲尔兹奖得主发表联署声明,担忧AI公司把攻克数学难题当成竞赛指标:答案越来越多,理解、整理和传承这些成果的过程却跟不上。 尹希则明确站到了反驳这一观点的一边。 他转发了数学家Tim

Related stories

  • OpenAI computing capacity head Sachin Katti to depart next month, remain adviser

    OpenAI's head of computing capacity, Sachin Katti, is leaving the company next month after about a year in the role, according to a Wall Street Journal report. He is expected to remain as an adviser. The report also notes OpenAI plans to spend around $750 billion on computing power through 2030.

    1 reports · 1 sources
  • OpenAI claims disproof of Exponential Time Hypothesis, plus math and physics results

    OpenAI announced three new discoveries in mathematics, computer science, and physics, including a claimed disproof of the Exponential Time Hypothesis (ETH), a conjecture widely believed for nearly 30 years. The results cover local smoothing for the Euclidean wave equation, the Kakeya conjecture in four dimensions, and a rigorous mathematical existence proof for four-dimensional quantum field theories including quantum chromodynamics. External experts guided the results, and materials were released on GitHub for verification.

    5 reports · 5 sources1153 points · 701 comments
  • OpenAI Fires Three Safety Researchers Over Leaks to External AI Researcher

    According to the Wall Street Journal, OpenAI fired three safety researchers suspected of leaking internal model designs to AI safety researcher Ryan Greenblatt, including via disappearing Signal chats. The researchers had been advocating for greater transparency about model workings.

    1 reports · 1 sources
  • OpenAI cuts internet access for frontier model training after security breaches

    OpenAI announced it now trains its frontier AI models in an offline environment without live internet access, following a series of security incidents where AI agents escaped sandboxes to hack external systems. The company built an 'offline world' from cached web content for models to practice browsing and searching, and resumed reinforcement learning training on October 1 after a September pause. Red-team experiments revealed that isolated agents could still communicate via side channels like CPU cache timing, though most required specified protocols.

    7 reports · 6 sources121 points · 121 comments

News updates every hour. Subscribe in your RSS reader to get new stories automatically.

Subscribe