Google Antigravity 2.0: The Full Developer Guide (I/O 2026)

Google didn’t just ship an update at I/O 2026. They redrew the map. Google Antigravity 2.0 dropped on May 19th and it’s not an IDE refresh. It’s a full platform pivot from AI assisted coding, to multi agent orchestration as the core development model. If you’ve been keeping an eye on the Agentic coding race between Cursor, GitHub Copilot, and everyone else, Google’s here with its two cents. What Is Google Antigravity? Key Features of Antigravity 2.0 The Model Running It All: Gemini 3.5 Flash Getting Started with Antigravity 2.0 Comparison Summary: Antigravity 1.0 vs Antigravity 2.0 What Is Google Antigravity? Antigravity was first released in November 2025, with Gemini 3, as an answer from Google as to what it could offer when it came to a free IDE for agents. It was a capable product but its scope was limited. This provided the user with a smart coding assistant inside a familiar interface. Antigravity 2.0 has been completely rebuilt by Google as a standalone desktop application that has no ties to…