Gemini 4 Argon arrives in GitHub Copilot
GitHub says Gemini 4 Argon is generally available in the Copilot app, CLI and code, beating earlier Gemini models on every coding benchmark with the largest gains in Copilot CLI.
🚀 @GoogleAI's Gemini 4 Argon is now generally available in GitHub Copilot. What we learned from early testing ⬇️ • It solved more tasks than previous Gemini models on every coding benchmark, with its largest gains in Copilot CLI. • It checks its work thoroughly, testing edge cases before it finishes. Use Gemini 4 Argon for complex coding, agentic, and reasoning tasks. Find it in the GitHub Copilot app, CLI, and @code. https://github.blog/changelog/2026-10-13-gemini-4-argon-in-github-copilot/