Release Summary
5B-parameter inference-efficient agentic coding model custom-trained for GitHub Copilot and VS Code. Plans and reasons through multi-step coding tasks, supports broad language ecosystems, and is positioned as comparable to Claude Haiku at lower cost. Rolling out in GitHub Copilot in VS Code.
Timeline
June 2, 2026
MAI-Code-1-Flash announced
Microsoft AI releases an agentic coding model built for the Microsoft developer stack and GitHub Copilot integration.