Gemini 3 Coded a 3D Game From ONE Prompt

In this week's video, I'm putting the most powerful AI coding tools head to head in an epic showdown. I test OpenAI's newly updated Codex 5.1 against Claude Code's powerful sub agent system to see which can build a better Minecraft style wizard game. The real shock, however, came from what appears to be Gemini 3, which generated a surprisingly detailed 3D world right on my phone from a single prompt. Before diving into the code, I also showcase Gemini's incredible new real time voice capabilities, getting it to switch accents on the fly, teach me Greek, and even guess where I'm from. 🗣️ Gemini Live: https://mrc.fm/gemini 💻 OpenAI Codex: https://mrc.fm/codex 🤖 Claude Code: https://mrc.fm/claudecode 0:00 Intro: New & Trending AI Tools 0:24 Testing Gemini's Real Time Voice 0:33 Asking Gemini to Change Accents 0:48 Learning Greek with AI 1:13 Can Gemini Guess My Accent? 2:09 Gemini 3 Codes a 3D Minecraft World 3:00 The Showdown: OpenAI Codex 5.1 vs. Claude Code 3:39 The Ninja Tip: Using Sub Agents with Claude 4:23 The AI Coding Battle Begins! 5:25 Codex's Speed vs. Claude's Planning 6:49 Codex 5.1 Game Reveal & Playtest 7:39 Claude's Sub-Agent Game Reveal 8:33 Final Verdict: Which AI Coder is Best? 8:52 Outro