Gemini 3: Vibecoding in Cursor, Droid, & Antigravity IDE

Google just released Gemini 3 - their "most intelligent model" that tops LMArena at 1501 Elo. The demos look incredible: beautiful websites from single prompts, complex apps with minimal input, PhD-level reasoning. But does it actually work on real production code? Testing live with: Cursor 2.0 (just released with Gemini 3 support) Factory AI's Droid agents Google's new Antigravity IDE Real scenario: Building a Hawaii volcano tracker using actual data. Seeing if Gemini 3 can handle what Claude Code struggled with. This isn't a review - just hands-on testing, showing what works and what breaks. May hit rate limits since everyone's trying it. We'll see. Timestamps 00:00:00 Introduction to Gemini 3 as Google's most intelligent model. 00:01:03 Introducing the Anti-Gravity app by Google. 00:02:21 Project idea: Converting the Kilauea volcano tracking app from Claude to Gemini 3. 00:04:41 Project idea: Updating the AnimeLeak app with new prompts using Gemini 3. 00:05:28 First demo: Configuring Gemini 3 Pro inside the Cursor IDE. 00:09:41 Starting the volcano app build in Google's AI Studio. 00:16:47 Introducing the 'X-Status' AIM-style buddy list app concept. 00:22:56 Configuring Gemini 3 inside the Droid agentic coder. 00:30:20 The big reveal: First look at the Gemini 3-generated volcano app in AI Studio. 00:37:11 Community discovery: The new NanoBanana2 image model from FAL. 00:46:09 Starting a new project in Anti-Gravity: a sign-up app for a canoe club. 00:48:29 Replicating the canoe club app build in v0 using the same prompt. 00:56:43 Reviewing the new AnimeLeak admin dashboard built by Gemini 3 in Cursor. 01:07:10 Starting the landing page redesign for AnimeLeak in Cursor. 01:17:41 Critiquing the landing page design generated by Cursor. 01:22:03 First look at the v0-generated canoe club app prototype. 01:25:06 Realizing Anti-Gravity and AI Studio have hit their rate limits. 01:30:59 Attempting to set up and use the new Gemini CLI. 01:35:49 Hitting bugs and access issues with the Gemini CLI. 01:43:59 Droid completes the full-stack setup for the first Canoe Club app. 01:52:03 Showcasing the user role features in the v0-generated Canoe Club app. 01:58:03 Shout-out to the Rate Limited Podcast. 02:00:24 Explaining the Droid 40 million token sign-up offer. 02:07:00 Demoing the fixed admin dashboard functionality in the v0 app. 02:17:49 First look at the Droid-generated Canoe Club app with local storage. 02:23:00 Starting a major design overhaul in Droid based on Dieter Rams' principles. 02:30:15 Reviewing the redesigned Droid app, including its new dark mode. 02:40:19 Encountering and reporting a critical bug in Droid during a design pass. 02:43:30 Final comparison and thoughts on Gemini 3's varying design capabilities across platforms. 02:45:20 Closing thoughts and shout-outs to personal projects like AnimeLeak and VibeScribes.