OpenAI says GPT 5.6 is ‘preferred model’ for Microsoft Copilot 365 amid talk of breakups | TechCrunch0

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• July 10, 2026

Earlier this week, Bloomberg reported that Microsoft was replacing some of OpenAI’s software with its own internal models in an effort to reduce costs. Those internal models, known as MAI, were increasingly used to power applications like Word and Excel, the outlet noted. The story raised an increasingly common question about the two companies, which