Microsoft tells engineers to stop using Anthropic’s Claude

Microsoft is discontinuing most internal Claude Code licenses by June 30, directing engineers to its own GitHub Copilot CLI. This move follows Claude Code’s unexpected popularity, which reportedly undercut Microsoft’s homegrown product. While officially citing toolchain unification, the timing suggests cost-cutting amidst an industry-wide AI spending crunch.​Microsoft is discontinuing most internal Claude Code licenses by June 30, directing engineers to its own GitHub Copilot CLI. This move follows Claude Code’s unexpected popularity, which reportedly undercut Microsoft’s homegrown product. While officially citing toolchain unification, the timing suggests cost-cutting amidst an industry-wide AI spending crunch. Read More