Microsoft Reportedly Replacing OpenAI, Anthropic Models in Excel, Outlook With In-House AI
Polymarket · x · 2026-07-08
According to Polymarket, Microsoft plans to replace models from OpenAI and Anthropic with its own AI models in products like Excel and Outlook. This is seen as a major step in reducing reliance on third parties and advancing its in-house model strategy. The report is third-party, not official Microsoft announcement.
Related event: Microsoft Shifts Copilot to In-House AI Models to Cut Costs(6 posts)→
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