OpenAI says GPT 5.6 is the 'preferred model' for Microsoft Copilot 365 amid breakup chatter | TechCrunch
OpenAIはGPT.6がMicrosoft 365 Copilotの「preferred model」として、Word/Excel/PowerPoint/Coworkを引き続きサポートするとのこと OpenAI says GPT 5.6 is the 'preferred model' for Microsoft Copilot 365 amid breakup chatter.com/2026/07/09/ope…