Group 1 - OpenAI has introduced a "checkout" service allowing U.S. users to purchase items directly through ChatGPT without leaving the platform, initially supporting single-item purchases from Etsy and select Shopify sellers [2][10] - The "router" feature in GPT-5 enables intelligent scheduling and model selection based on user queries, optimizing both cost and user experience by matching the complexity of queries with the appropriate model [3][4][5] - OpenAI's strategy includes leveraging the router to identify commercial potential in user queries, aiming to transform ChatGPT into a consumer-facing AI super application that generates revenue through transaction commissions rather than traditional advertising [5][6][8] Group 2 - The "Agentic Commerce Protocol" has been released to facilitate merchants' integration with ChatGPT, enhancing the platform's ability to support small businesses and niche markets [10][14] - ChatGPT's ability to assist users in discovering unique products from long-tail markets is highlighted, contrasting with traditional e-commerce platforms that require users to have specific product knowledge [11][12] - OpenAI's exploration of AI and e-commerce integration is still in its early stages, with potential future expansions including multi-item purchases and attracting larger retailers to the platform [14]