Google turns Antigravity into a full agentic development platform with desktop app, CLI, and SDK

TL;DR

Google announced Antigravity 2.0 at I/O 2026, upgrading its agentic coding tool into a full developer platform with a revamped desktop app, a new CLI built in Go, and an SDK for custom agents. The update also introduces a $100/month AI Ultra plan and retires Gemini CLI for consumer users.

Google just made its most aggressive move yet in the rapidly evolving agentic coding market. At I/O 2026 on Monday, the company unveiled Antigravity 2.0, transforming what started as a Cursor competitor into a sprawling developer platform complete with an updated desktop app, a new command-line tool, and an SDK for building custom agents.

The original Antigravity launched in November 2025 alongside Gemini 3 as a free, agent-first IDE. Version 2.0 is a different beast entirely. The centrepiece is the revamped desktop application, which puts multi-agent orchestration front and centre. Developers can now set several agents to...

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