What happens when you let an LLM write robot programs?

In 2022 I was tasked with designing an interactive robot system that takes a natural language instruction and outputs a working robot trajectory. This is a write-up of the design decisions and a showcase of a web demo using MuJoCo that. The code in this demo is a rebuild of the original code "Prompt: Put all the cubes on the plate" How can you make robots listen to what a user says? Human-Robot-Interaction (HRI) has come a long way over the last couple of years. Vision-Language-Action Models are the de facto state of the art in robotics research. PhAIL is a leaderboard aimed at measuring real-world performance against humans, which makes it clear that general physical AI is not there yet. ...

April 2, 2026 · 5 min · Daniel Bösch