Codex vs Antigravity: Which AI Agent Builds a Better React Frontend

In this video, I put Codex powered by GPT-5.5 and Antigravity powered by Gemini 3.5 Flash head-to-head in a real frontend development challenge. I already have a working Django blog backend with documented REST API endpoints. I give both AI coding agents the same backend, the same API documentation, and the same frontend task: Build a clean, modern, responsive React frontend that integrates properly with the Django backend. Which agent did a better job: Codex or Antigravity? Watch the full video and share your verdict in the comments. Timestamps 00:00 - Introduction 02:13 - Prompting Codex and Antigravity 04:41 - Reviewing Antigravity’s Frontend 11:11 - Reviewing Codex’s Frontend 15:26 - Scoring Codex vs Antigravity 19:02 - Final Verdict and Conclusion