Hyatt deployed ChatGPT Enterprise across its global corporate and hotel workforce in April 2026, making it a core part of daily operations across departments including finance, marketing, business development, product engineering, and customer experience. Employees use OpenAI models — including GPT-4 and Codex — to accelerate tasks such as financial reporting, content creation, investment research, and software development.

Confirmed by an official OpenAI announcement, Hyatt deployed ChatGPT Enterprise company-wide after spending two years building a unified data and AI infrastructure to support broad AI adoption. The rollout gives employees access to frontier OpenAI models including GPT-4 and Codex, which is specialized for generating and working with software code. Hyatt partnered with OpenAI for live onboarding and training sessions to accelerate adoption. The company describes ChatGPT Enterprise as 'a core component of how the business runs day to day,' with specific use cases including accelerating month-end financial close cycles, scaling marketing content creation, and increasing software development velocity. Hyatt's stated strategy prioritizes broad employee access to AI tools rather than deep single-system automation.