[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"tag-microsoft-learn":3},{"tag":4,"articles":10},{"id":5,"name":6,"slug":7,"article_count":8,"description_zh":9,"description_en":9},"0d3e3978-2e89-4c1b-945e-682cf2bcbb64","Microsoft Learn","microsoft-learn",0,null,[11],{"id":12,"slug":13,"title":14,"summary":15,"category":16,"image_url":17,"cover_image":17,"language":18,"created_at":19},"8273152c-3c9d-4c52-8a91-237847a95d48","copilot-studio-gpt-41-default-gpt-4o-retirement-en","Copilot Studio shifts to GPT-4.1 by default","Microsoft is retiring GPT-4o in Copilot Studio for generative orchestration and making GPT-4.1 the default model starting Oct. 27, 2025.","model-release","https:\u002F\u002Fxxdpdyhzhpamafnrdkyq.supabase.co\u002Fstorage\u002Fv1\u002Fobject\u002Fpublic\u002Fcovers\u002Finline-1779031439978-9fdm.png","en","2026-05-17T15:23:34.064168+00:00"]