Microsoft teams up with Anthropic AI for 365 Copilot

The rollout starts today for Microsoft 365 Copilot customers in the Frontier program and Copilot Studio users.
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Microsoft Integrates Anthropic’s Claude AI Into Copilot

Anthropic's Claude Sonnet 4 and Claude Opus 4.1 AI models will be an integration into Microsoft's Microsoft 365 Copilot today.