OpenAI Designates GPT-5.6 as Preferred Model for Microsoft Copilot 365 Amid Partnership Rumors

OpenAI has designated GPT-5.6 as the preferred model for Microsoft Copilot 365, reinforcing their partnership despite reports of Microsoft integrating in-house AI models to reduce costs. The announcement clarifies GPT-5.6's role in powering Microsoft's productivity suite while acknowledging ongoing cost-cutting initiatives.

OpenAI's new family of models will continue to power Microsoft's suite of workplace and productivity apps.

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