Humanity’s Cosmic Endowment
The cosmic endowment is the matter and energy a future civilization could reach. Who should inherit it, and what might we owe conscious minds we create?
Alex Leung
I work on ChatGPT at OpenAI. I write about software, technical books, and life outside work.
Currently reading: Reinforcement Learning from Human Feedback. Now →
Previously at Jetson, Google, Cash App, and North.
Selected writing
Farming Expensive Agent Sessions
I’m using expensive agent sessions to refine the instructions that tell Codex how I want the work done.
One Manifest for Responsive Images
This site generates responsive image variants and their lookup metadata together, so components and Markdown do not have to reconstruct filenames.
Browser tools
