365 CopilotでGPT-5.6がGPT-4oに置き換わり ―― 性能向上はコストに見合うか
MicrosoftはWord、Excel、PowerPointにおいて従来の標準モデルを置き換え、GPT-5.6を365 Copilotのデフォルトモデルとした。このアップグレードにより、企業はAIのROIを再評価せざるを得なくなる。
openai has implemented gpt-5.6 as the default model for microsoft 365 copilot, effectively retiring the prior standard across the office suite including the new 'cowork' feature. the update targets enterprise productivity by enhancing the speed and quality of ai-generated content in documents and spreadsheets. this change impacts millions of corporate users, establishing gpt-5.6 as the new benchmark for business-grade ai assistants. it suggests that the newer model has reached the stability and efficiency required for broad deployment in sensitive enterprise environments.