AI Insight Log

Dec 28, 2025 · Backend Development

How to Hook Google Antigravity into Claude Code for Free Opus 4.5 Access

Antigravity-Manager is an open‑source Rust/Tauri tool that proxies Claude Code requests to Google Antigravity, using smart token‑saving routing, session‑sticky handling, and custom model mapping to let developers enjoy Claude's UI while consuming free Google AI quota and dramatically cutting Opus costs.