An OpenAI researcher who worked on GPT-4.5 had their green card denied

April 25, 2025 Kyle Wiggers

Kai Chen, a Canadian AI researcher working at OpenAI who’s lived in the U.S. for 12 years, was denied a green card, according to Noam Brown, a leading research scientist at the company. In a post on X, Brown said that Chen learned of the decision Friday and must soon leave the country. “It’s deeply […]

Previous Article
Startups Weekly: Tech IPOs and deals proceed, but price matters
Startups Weekly: Tech IPOs and deals proceed, but price matters

Welcome to Startups Weekly — your weekly recap of everything you can’t miss from the world of startups. Wan...

Next Article
Google’s AI search numbers are growing, and that’s by design
Google’s AI search numbers are growing, and that’s by design

Google started testing AI-summarized results in Google Search, AI Overviews, two years ago, and continues t...