Antigravity vs Cursor: Which AI IDE Should You Use?

Antigravity and Cursor are AI coding platforms with overlapping capabilities but distinct approaches: Google’s Antigravity operates across a desktop app, CLI, standalone IDE, and extensions for multiple editors, while Cursor is a VS Code-based editor centered on parallel agents, cloud agents, pull-request review, and a CI-oriented CLI. Antigravity emphasizes a free Gemini-powered tier, unlimited tab completions, artifact-based agent review, and support for environments such as JetBrains, Xcode, and Visual Studio, whereas Cursor offers Bugbot reviews, Cloud Agents, configurable third-party model access, and enterprise Privacy Mode controls. Both tools support shared repository instructions through AGENTS.md and reusable procedures in .agents/skills, but their scoped rule formats and MCP configurations require conversion, particularly because Antigravity does not support SSE-based remote MCP servers. Cursor has more documented GitHub Actions integration for unattended CI use, while both agents can run headlessly and generate structured output. Their built-in browser testing tools allow agents to inspect their own work but provide limited independent or cross-browser verification, leading the text to recommend external deterministic checks and standard CI quality gates. For proprietary code, Cursor’s privacy protections depend on Privacy Mode and plan settings, while Antigravity’s strongest no-training assurances require enterprise sign-in. The recommended choice depends on a team’s existing editors, budget, model preferences, CI needs, and governance requirements, with a reversible shared configuration and trials on real work suggested over relying on vendor benchmarks or general impressions.

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