contamination

Evaluation is the toughest and most underrated part of shipping LLMs. The signal is understanding why public benchmarks mislead, why LLM-as-judge carries bias, and how to build a task-specific eval you can genuinely trust.

Plenty of people cite benchmark numbers; almost nobody reads them carefully. What shows depth is explaining what each one measures and why leaderboard figures outrun real-world skill. The question the interviewer is saving is how you would spot contamination.