Google launches Antigravity 2.0 — agentic IDE positioned against Cursor and Windsurf

Summary

Google announced Antigravity 2.0 at I/O 2026 — its second-generation agentic IDE built around Gemini 3.5, positioned directly against Cursor, Windsurf, and Claude Code in benchmark comparison roundups already proliferating across the dev press. Antigravity 2.0 bundles Gemini Spark agent delegation, native Workspace integration, and a session-based pricing model that ships free for AI Pro and AI Ultra subscribers. Simon Willison's I/O recap notes Google explicitly framed Antigravity as the "code