Gemini 3.8 Flash is now available in GitHub Copilot
GitHub Changelog: Gemini 3.8 Flash, Google’s latest Flash model, is now available in GitHub Copilot. Gemini 3.8 Flash is now available in GitHub Copilot
By Dillip Chowdary • Sep 03, 2026 • Source: GitHub Changelog
What happened
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Back to changelog Gemini 3.8 Flash, Google’s latest Flash model, is now available in GitHub Copilot. In our early testing, Gemini 3.8 Flash performed strongly on complex terminal-based coding tasks and demonstrated rigorous validation and persistent recovery from actionable failures.
How it works
This model is billed at introductory provider pricing under usage-based billing through December 31, 2026. Availability in GitHub Copilot Gemini 3.8 Flash will be available to Copilot Pro, Pro+, Max, Business, and Enterprise users.
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Why it matters
You’ll be able to select the model in the model picker in: Visual Studio Code Visual Studio Copilot CLI GitHub Copilot cloud agent GitHub Copilot app JetBrains IDEs Xcode Eclipse Rollout will be gradual. See the full write-up from GitHub Changelog via the source link for quotes and complete context.
Who is affected
Read the original coverage at GitHub Changelog via the source link above for the complete details and primary quotes.
What to watch next
Cross-check release notes and official docs before changing production systems based on early reporting.
Developer Action Items
- ☐ Diff the official changelog for Gemini / Google / GitHub 3.8 before you bump — APIs, defaults, and removed flags only.
- ☐ Install through the vendor's documented channel in staging; keep a one-command rollback and time-box the canary.
- ☐ Grep your repo for old flag names, lockfile pins, and plugin versions that the notes mark as breaking.
- ☐ Prefer the first patch cut over the day-zero tag unless you have a reason to be on the leading edge.
- ☐ If GitHub Changelog did not name a region, plan, or SKU, screenshot the official availability line before you promise it to users.
Author
Dillip Chowdary
Writes Tech Bytes coverage of AI, engineering, and the tools that actually ship. Editor of Tech Pulse Daily.
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