In this video, I'll be telling you about Gemma Chat, a new open-source local vibe coding app for Mac powered by Google's Gemma 4, and how it lets you build apps locally without API keys, cloud models, or a monthly subscription.

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Key Takeaways:

🚀 Gemma Chat is an open-source Electron app that runs Gemma 4 locally on Apple Silicon Macs using MLX.  
💻 You can build small apps, landing pages, games, dashboards, and more with a live preview and local file workspace.  
🔒 Everything stays on your machine, so your prompts, code, and generated files remain private.  
🛠️ The app supports Build Mode and Chat Mode, with tools like file editing, bash commands, web search, and URL fetching.  
🧠 Gemma Chat uses an XML-style tool protocol, which is more reliable for smaller local models than JSON function calling.  
📦 The app supports multiple Gemma 4 model variants, including smaller options for lighter Macs and larger options for stronger performance.  
🎤 It even includes voice input through local speech-to-text with Whisper, making the workflow feel even more local-first.  
👍 Overall, Gemma Chat is a really cool proof of concept that shows how far local AI coding agents have come on Mac.

Google's OFFICIAL Gemma 4 Coder Desktop App: This FREE & LOCAL App by Google is ACTUALLY CRAZY!