The article argues that despite OpenAI’s May 2026 integration with Plaid enabling ChatGPT access to bank data, banks will ultimately control AI in financial services rather than external AI companies. Banks possess irreplaceable structural advantages: regulatory licenses to extend credit and move money, proprietary customer data kept internal under current rules, and direct customer relationships that external AI platforms cannot replicate. While AI labs will build valuable foundational infrastructure, banks will embed these models into their own platforms to deliver actionable financial services that external chatbots cannot legally or operationally provide.