Firebase Genkit Has a Free AI Framework — Here's How to Use It

Google quietly released one of the most powerful AI development frameworks — and most developers don't know it exists. What is Firebase Genkit? Firebase Genkit is Google's open-source framework for building AI-powered applications. Think of it as the "Express.js for AI" — it gives you a unified API to work with any AI model, whether it's Gemini, OpenAI, or Anthropic. The best part? The Gemini API free tier doesn't require a credit card. Why Developers Are Switching to Genkit 1. Unified Model API import { genkit } from ' genkit ' ; import { googleAI , gemini20Flash } from ' @genkit-ai/googleai ' ; const ai = genkit ({ plugins : [ googleAI ()], model : gemini20Flash , }); const { text } = await ai . generate ( ' Explain quantum computing simply ' ); console . log ( text ); One API. Any model. Switch providers by changing one line. 2. Built-in Developer Tools Genkit ships with a browser-based UI that lets you: Test prompts visually Inspect traces and logs Debug AI flows step by step No mo