Google Antigravity 2.0: An In-Depth Explanation

At Google I/O 2026 on May 19, 2026, Google unveiled "Antigravity 2.0," an agent-first development platform. It comprises five surfaces—a desktop app, CLI, SDK, Managed Agents API, and Enterprise Agent Platform—and ships with Gemini 3.5 Flash as its default engine. In Silicon Valley, it has been received as a symbolic release heralding "the end of the IDE-centric era," and a new development style premised on the parallel execution of multiple agents is beginning to take hold. This article covers the platform's journey since its inception, the major changes in 2.0, and tech engine