Gemini 4 Hydrogen, Google's latest Flash model, is generally available in GitHub Copilot
Gemini 4 Hydrogen, described by GitHub as Google's latest Flash model, is now generally available in GitHub Copilot. GitHub says it is designed for fast, efficient agentic coding, tool use, and multistep workflows.
Gemini 4 Hydrogen, Google's latest Flash model, is now generally available in GitHub Copilot, according to a GitHub changelog entry published November 13, 2026.
What GitHub says
GitHub describes Gemini 4 Hydrogen as designed for fast, efficient agentic coding, tool use, and multistep workflows. The changelog summary also refers to improved instruction handling.
Availability
The model's status in Copilot is general availability, as stated by GitHub in the changelog post on The GitHub Blog.
What this means
GitHub is positioning Gemini 4 Hydrogen, a Flash-tier model from Google, for agentic coding, tool use, and multistep workflows in Copilot. General availability is the status GitHub assigns to this release.
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