Don’t Let an AI Grade Its Own Homework — Use a Second Model to Review

Don't let an AI grade its own homework. Diagram showing two council models feeding their responses into a single arbiter model that decides what to adopt.

Ask an AI to check its own work and it mostly agrees with itself — the blind spots that shaped the answer also shape the review. Here’s the two-model fix, the AI Council loop I used to design ChainMate, and why you name one model as the arbiter instead of letting them vote.