About

Hi, there! I’m Yifei, currently a member of technical staff at Thinking Machines Lab. Previously, I have been a member of technical staff at xAI, visiting research at FAIR, and PhD student at Berkeley.

These days I am most excited about improving agentic capabilities with RL, and its synergy with user provided cobtext and design of RL framework.

Recent Blogposts

If time allows, I will try to put down my reflections in blog posts. Feel free to let me know if there is a specific topic that you would like me to write a blog post about!

The True Useful Multimodal Agent Before 2027