Alain Li

Founder and AI researcher working on on-device models, full-duplex interaction, and continual learning.

Alain is the founder and CEO of Sadair, an AI infrastructure company dedicated to making intelligence a lasting human capability. Sadair builds models bounded by safety and extended through creation and correction to bring advanced AI from the cloud into devices, interactions, and everyday life.

Alain joined High-Flyer as a senior data scientist and remained with the team as its AI research effort became DeepSeek. At DeepSeek, he was a senior research scientist working on training data and model experiments, contributing to DeepSeek-V2 and to early work on DeepSeek-V3. He was seconded to Unitree, where he worked on compressing and optimizing multimodal models for on-device deployment.

Alain holds a master's degree in data science from Fudan University and a bachelor's degree in industrial engineering from the University of Pennsylvania.

Writing

  1. Continual learning on personal devicesHow a shared model becomes each person’s own through local weight updates.
  2. Building full-duplex intelligenceKeeping a live conversation on the device while reasoning and tools work in the background.
  3. The Second History of IntelligenceHow intelligence becomes lasting human capability under personal authority.