Microsoft is significantly increasing its internal use of Anthropic's Claude Code, encouraging thousands of employees, including non-technical staff, to adopt it for prototyping and coding tasks. This move comes as Microsoft continues to evaluate Claude Code alongside its own GitHub Copilot, with sources indicating a growing preference for Claude Code's ease of use. While Microsoft maintains its primary partnership with OpenAI for frontier models, its expanded adoption of Anthropic's tools, including a substantial commitment to Azure compute, signals a deepening relationship and potential for Claude Code to be offered to cloud customers. AI
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IMPACT Suggests a potential shift in enterprise AI tool adoption, with Microsoft favoring Anthropic's tools internally over its own offerings.
RANK_REASON Article details Microsoft's internal adoption and evaluation of an existing AI coding tool, rather than a new model release or significant industry-wide policy change.