Microsoft Copilot(@MSFTCopilot):More models, more ways to delegate work to Copilot. OpenAI's GPT-6.1 Sol and Anthropic's Claude Sonnet 5.5 start rolling out today, joining the Claude Opus 5.5 and GPT-6 Sol options we added earlier this month. Pick the model that fits the task, and Work IQ helps ground responses in your files, meetings and chats, within your existing permissions. Rolling out today in Copilot Cowork and Copilot Studio. Word, Excel, PowerPoint and Chat follow in phases over the coming week. Read more:

2026.10.01 17:39

More models, more ways to delegate work to Copilot. OpenAI's GPT-6.1 Sol and Anthropic's Claude Sonnet 5.5 start rolling out today, joining the Claude Opus 5.5 and GPT-6 Sol options we added earlier this month. Pick the model that fits the task, and Work IQ helps ground responses in your files, meetings and chats, within your existing permissions. Rolling out today in Copilot Cowork and Copilot Studio. Word, Excel, PowerPoint and Chat follow in phases over the coming week. Read more: