Welcome to my website
Benjamin LiuSparks LabAI Glasses
I'm Benjamin Liu, a founding engineer at Sparks Lab, an AI glasses startup. Previously, I worked on post-training computer-use agents at LG AI Research with Honglak Lee.
Writing
TrainingSep 2026
On-Policy Distillation
The history of on-policy distillation, how teacher probabilities become student updates, and how RL frameworks and frontier-model training pipelines use it.
Read article
AgentsSep 2025
VLM + RL + Data (Environment) = GUI Agent
Why reinforcement learning, rich environments, and high-quality data are converging to make dependable GUI agents possible.
Read article