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The Madison Avenue Field GuideA field guide to marketing & advertising, by Brandon Mina

GlossaryAI in MarketingAI Evals

AI in Marketing

AI Evals

Structured tests that measure how well an AI model or workflow performs on accuracy, brand fit, safety, and cost before and after launch.

By Brandon MinaCEO, BrandPilot AIUpdated November 2026

Short answer

AI evals are structured tests that measure how well an AI model or workflow performs on criteria such as accuracy, brand fit, safety and cost, both before and after launch. They use defined test cases and scoring, sometimes automated, so teams can compare models, catch regressions and decide when an AI system is ready for use.