technology #AI #BizIT #AIAssistants #AIDevelopmentTools #Amazon #AmazonWebServices #Anthropic #AWS #Azure #Claude #Copilot #DarioAmodei #GPT5 #LargeLanguageModels #MachineLearning #Microsoft #MicrosoftCopilot #MultimodalAI #Office365 #Openai Microsoft ends OpenAI exclusivity in Office, adds rival Anthropic Ars Technica Sep 10 2m read