# Expedia's AI Chief: Evals Are the New PRD The future of AI-assisted coding focuses on evaluations. - **Source:** [VentureBeat (feeds.feedburner.com)](https://brifing.si/source/c51474dc-6b09-49dd-aaca-085f4ed00c84) - **Published:** 2026-07-21 - **Topic:** [Data & AI](https://brifing.si/c/data-ai) - **Original article:** - **On Brifing:** https://brifing.si/s/9d9e8db0-82d7-4d27-b73c-41b03b754ed4 ## The New Role of Evaluations Expedia's Chief AI and Data Officer Xavi Amatriain stated at VB Transform 2026 that evaluations are the new Product Requirement Document (PRD). This approach involves encoding what the product should do through evaluations. ## The Future of AI-Assisted Coding Amatriain emphasized that AI-assisted or AI-generated coding will play a significant role in the future. In this process, all thinking will focus on evaluations. ## Feedback Loop Amatriain noted that artificial business rules in the system disrupt the feedback loop and mislead the user. It's necessary to minimize the impact of these rules. ## Three-Layered AI Governance Expedia bases AI governance on three layers: principles, processes and tools, and automation. This approach shapes governance according to risk levels. ## The Importance of Specialized Agents Amatriain argued that systems composed of specialized agents are more effective than a single model. This also enhances system security. ## User Control In Expedia's system, users must make the final decision. AI agents can make recommendations, but the final click must belong to the user. ## Future Security Threats Amatriain stated that future attacks could come from other AI systems. Security should be addressed as early as possible as part of the design. ## Sources covering this story - https://venturebeat.com/security/evals-are-the-new-prd-expedia-ai-chief-tells-vb-transform-2026 — --- _Summary written by Brifing from the original reporting. Copyright in the original article belongs to its publisher; read the full piece at the link above._