Microsoft has announced the integration of AI subscription services into its Office suite, aiming to enhance its competitive position against OpenAI's ChatGPT. The company will introduce a new Microsoft 365 plan, priced at $19.99 per month, which includes AI features such as chatbots and image generation within applications like Word, Excel, and Outlook. Yusuf Mehdi, Microsoft's consumer chief marketing officer, indicated that current Copilot Pro users will transition to this new plan.