OpenAI Opens ChatGPT to Third-Party Apps

At Dev Day, OpenAI said developers can build app-like experiences inside ChatGPT, with a sidebar home and interactive panels. Sign in with ChatGPT carries users' AI allowance to 16 launch partners including Notion and Figma, while an enterprise marketplace opens with 30-plus partners. ChatGPT has 1.2 billion weekly users. No billing or revenue-sharing system was announced.