How to Switch to Gemini 3.8 Flash in Antigravity IDE

Gemini 3.8 Flash is now inside Antigravity IDE. The new model is built for long-horizon coding, agentic tool workflows, and massive codebases, and it keeps Flash-level inference speed. Antigravity has it integrated into the same agent harness used across the IDE and CLI, so you can switch to it in seconds.

Tutorial

1. Open the Antigravity chat window with Ctrl+L (Windows/Linux) or Cmd+L (Mac).
2. Select Gemini 3.8 Flash from the model dropdown.

Wrapping Up

You now have access to Gemini 3.8 Flash for your next session. It pairs frontier-grade reasoning with efficient context handling and code execution. Use it on the longest, most tool-heavy task you have and see whether it holds up.