Friday, January 23, 2026
Claude Code Adoption at Microsoft
People are discussing Microsoft's internal adoption and testing of Anthropic's Claude Code, despite their investment in and ownership of OpenAI's Copilot.
Additional Information June 2025: Development department adopts Claude Sonnet 4 → later rolled out to paid Copilot users Business and Industry Copilot team has approved the use of Claude Code across all code repositories
Yes, that's true according to reports like the one from The Verge: Microsoft uses Claude Code internally to test and compare it with GitHub Copilot. They have their own models like Phi, but the partnerships with Anthropic (Claude) include training on tailored datasets. It's a
Microsoft poured billions into OpenAI, owns Copilot. Engineers still picked Claude Code. Corporate strategy meets IC reality. https://news.skrew.ai/microsoft-claude-code-anthropic-adoption/… [Links: https://t.co/L8P3uzTL4Q]