"Microsoft's Office 365 suite will soon incorporate AI models from Anthropic alongside existing OpenAI technology, The Information reported, ending years of exclusive reliance on OpenAI for generative AI features across Word, Excel, PowerPoint, and Outlook. The shift reportedly follows internal testing that revealed Anthropic's Claude Sonnet 4 model excels at specific Office tasks where OpenAI's models fall short, particularly in visual design and spreadsheet automation, according to sources familiar with the project cited by The Information, who stressed the move is not a negotiating tactic."
"In an unusual arrangement showing the tangled alliances of the AI industry, Microsoft will reportedly purchase access to Anthropic's models through Amazon Web Services-both a cloud computing rival and one of Anthropic's major investors. The integration is expected to be announced within weeks, with subscription pricing for Office's AI tools remaining unchanged, the report says. Microsoft maintains that its OpenAI relationship remains intact."
Microsoft will integrate Anthropic's Claude Sonnet 4 models into Office 365 in addition to existing OpenAI technology, ending exclusive reliance on OpenAI for generative features across Word, Excel, PowerPoint, and Outlook. Internal testing reportedly showed Claude Sonnet 4 outperforms OpenAI models on visual design and spreadsheet automation tasks. Microsoft plans to acquire access to Anthropic's models through Amazon Web Services, with the integration expected within weeks and subscription pricing for Office AI tools unchanged. Microsoft asserts its partnership with OpenAI remains intact after investing over $13 billion and while negotiating continued access to OpenAI models.
Read at Ars Technica
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