The landscape of software engineering is shifting. For years, we’ve moved from basic text editors to Integrated Development Environments (IDEs) like VS Code and IntelliJ. Then came the era of AI code assistants —tools like GitHub Copilot and Cursor that suggest lines of code or refactor functions. But in late 2025, Google introduced something fundamentally different: Antigravity . Antigravity isn’t just an AI-powered IDE; it is an agentic development platform . It represents a pivot from "AI as a helper" to "AI as a teammate." In this comprehensive guide, we’ll explore how Antigravity works, why the "agent-first" paradigm is a game-changer, and how you can leverage its power to build production-grade applications at record speed. What is Antigravity IDE? Released alongside Gemini 3 , Antigravity is a heavily modified fork of VS Code designed specifically to manage autonomous AI agents . While traditional IDEs focus on the editor—the place where you write ...