1 min read

Microsoft Keeps Anthropic Claude in M365, GitHub Copilot and Azure After Pentagon Supply Chain Ban

Canopy Business

Microsoft confirmed on March 5, 2026 that it will keep Anthropic's Claude AI models embedded across its commercial products — including Microsoft 365 Copilot, GitHub Copilot, and Azure AI Foundry — after its lawyers determined the Pentagon's supply chain risk designation does not extend to non-defense customers. The statement makes Microsoft the first major company to publicly clarify the scope of the designation, and directly affects millions of software engineers who use Claude via GitHub Copilot alongside OpenAI's Codex. The decision comes as Anthropic revealed it will challenge the Pentagon designation in court under 10 USC 3252, while Anthropic has simultaneously committed to spending $30 billion on Microsoft Azure services through a previously announced partnership.

Key Takeaways

  • Microsoft's lawyers determined the DoD supply chain risk designation applies only to direct DoD customers — Claude remains available via M365 Copilot, GitHub Copilot, Microsoft AI Foundry, and other commercial Azure products
  • Anthropic has committed to spending $30 billion on Azure; Microsoft has invested up to $5 billion in Anthropic — the commercial partnership is unaffected by the Pentagon designation
  • OpenAI's Codex models are also available in GitHub Copilot and are unaffected by any designation; some defense-tech companies have already directed employees to migrate from Claude to alternative models

Original source: CNBC