12:08 PM EDT, 09/24/2025 (MT Newswires) -- Microsoft ( MSFT ) added Anthropic's Claude artificial intelligence models to its AI workplace assistant Copilot.

Microsoft's ( MSFT ) enterprise customers will be able to choose between Claude Sonnet 4 and Opus 4.1, alongside existing OpenAI models, within Microsoft's ( MSFT ) Copilot Studio and Researcher agent, Anthropic said Wednesday in a statement.

Anthropic is backed by Amazon.com ( AMZN ) .

Microsoft ( MSFT ) shares eased 0.1% in recent Wednesday trading, and Amazon ( AMZN ) dropped 0.4%.

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