LLM Inference Interview Questions, issue 8, Aug 6, 2026
The Multi-Agent Trap
Staff AI Engineer interview at Anthropic, and the interviewer asks:
“Your team wants to split your agent into a planner, a coder, and a QA agent, ‘because that’s how real software teams work. Would you ship it?”
Don’t say: “Yes, specialization improves quality, just like a real engineering team.”
Why dividing labor across planner, coder, and QA agents creates a lossy maintenance nightmare, and how elite teams unlock true multi-agent scaling through concurrent fan-out.
The full answer, with the mechanism and the arithmetic, is for paid subscribers on Substack.