Creators can now choose from the full set of ChatGPT models (GPT-4o, o3, o4-mini and more) when building Custom GPTs—making it easier to fine-tune performance for different tasks, industries, and workflows. Creators can also set a recommended model to guide users.
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 Plus, Pro and Team plans.
Enterprise and Edu rollout coming soon.
https://help.openai.com/en/articles/6825453-chatgpt-release-notes#h_783ac074f6