AI BriefingGPT-5.6 Adopted as the Default Model for Microsoft 365 Copilot
Key point
OpenAI's latest flagship model, GPT-5.6, is being introduced as the default model for Microsoft 365 Copilot.
Details
OpenAI announced GPT-5.6, revealing that this model will become the new default model for Microsoft 365 Copilot (Word, Excel, PowerPoint, Chat, Cowork). Through this update, users will be able to receive more powerful AI assistance in their everyday work tools.
GPT-5.6 maximizes per-token efficiency to improve cost-to-performance, and is characterized by enhanced on-demand processing capability for complex tasks. Key improvements by app are as follows.
- Word: Draft, edit, and revise documents with fewer prompts
- Excel: Faster analysis for deriving insights from data through improved token efficiency
- PowerPoint: Support for creating polished visual presentations with minimal guidance
- Cowork: Perform complex cross-functional work and generate high-quality outputs
Microsoft plans to call GPT-5.6 directly through the OpenAI API to serve customers, and through this aims to take organizational work productivity to the next level.
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