🚀 @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/…

Gemini 4 Argon in GitHub Copilot

Source: https://github.blog/changelog/2026-10-13-gemini-4-argon-in-github-copilot/ Gemini 4 Argon, Google’s newest frontier model, is now generally available in GitHub Copilot. It is designed for complex coding, agentic, and reasoning tasks. In early testing, Gemini 4 Argon solved more tasks than previous Gemini models on every coding benchmark, with its largest gains in Copilot CLI. It also thoroughly checks its work, testing edge cases before it finishes.

This model is billed at provider list pricing under usage-based billing. SeeModels and pricing for GitHub Copilotfor details.

Availability in GitHub Copilot

Gemini 4 Argon is available to Copilot Pro+, Max, Business, and Enterprise users. You can select the model in the model picker in:

• Visual Studio Code
• Visual Studio
• Copilot CLI
• GitHub Copilot coding agent
• GitHub Copilot app
• JetBrains IDEs
• Xcode
• Eclipse

Rollout will be gradual. Check back soon if you don’t see it yet.

Enabling access

Copilot Enterprise and Copilot Business plan administrators can manage access to Gemini 4 Argon through the model policy in Copilot settings. Under default model enablement, new models are automatically enabled unless an administrator has turned off the global default or explicitly disables this model.

Learn more

To explore all models available in GitHub Copilot, see ourdocumentation on modelsand get started with Copilot.

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