ChatGPT — June 16, 2025

Changed

• Expanded Model Support for Custom GPTs
• Enterprise and Edu users can also now choose from the full set of ChatGPT models (GPT-4o, o3, o4-mini and more) when building Custom GPTs. This was launched to Plus, Pro and Team users earlier this month. Key details:
• GPTs without Custom Actions can use the model picker to select from all models available to the user.
• GPTs with Custom Actions currently support GPT-4o and 4.1
• Available on web for users on all paid plans (Plus, Pro Team, Enterprise, Edu).