How do I use Gemini 3.8 Flash in GitHub Copilot?

Select Gemini 3.8 Flash in the model picker across VS Code, Visual Studio, Copilot CLI, the cloud agent, Copilot app, JetBrains, Xcode, or Eclipse. It rolls out gradually to Copilot Pro, Pro+, Max, Business, and Enterprise users.

Why is Gemini 3.8 Flash in Copilot significant?

It is GitHub's suggested replacement for Gemini 3.5 Flash and Gemini 3.6 Flash, which are deprecated on October 2, 2026, and it performs strongly on complex terminal-based coding and agent tasks.

Gemini 3.8 Flash Now Available in GitHub Copilot

Q: What does Gemini 3.8 Flash cost in GitHub Copilot?

Gemini 3.8 Flash is billed at introductory provider pricing under usage-based billing through December 31, 2026.

What shipped

Gemini 3.8 Flash lands in GitHub Copilot — Google's latest Flash model, available across Copilot Chat, inline edits, agent and ask modes, and code completions.

What changed

Rollout is gradual across VS Code, Visual Studio, Copilot CLI, the cloud agent, Copilot app, JetBrains, Xcode, and Eclipse. Available to Copilot Pro, Pro+, Max, Business, and Enterprise users via the model picker. Billed at introductory provider pricing under usage-based billing through December 31, 2026. Business and Enterprise admins control access through the Copilot model policy; new models are enabled automatically unless globally disabled.

Why a builder cares

Gemini 3.8 Flash is the recommended migration target for the Gemini 3.5/3.6 Flash models deprecated October 2 — and its terminal-task strength makes it a real option for agent-heavy workflows at a discounted rate for four months.

What shipped

What changed

Why a builder cares

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