LLM Agents Interview Questions, issue 6, Feb 27, 2026
The AST Explosion Trap
Senior AI Engineer interview at Google DeepMind, and the interviewer asks:
“We need to fine-tune the VLM on paired image-to-equation datasets.”
Without an intermediate abstraction layer, your evolutionary loop is sampling an intractable syntax tree universe with no structural bias.
The full answer, with the mechanism and the arithmetic, is for paid subscribers on Substack.