Firebase Studio

Firebase Studio is a cloud-based IDE and agentic development platform released by Google in April 2025, built on a Code OSS foundation and integrated with Firebase services, the Gemini Developer API, and a set of specialized Gemini Code Assist agents. The platform supports two primary working modes: a full coding workspace where developers write, refactor, test, and deploy applications with Gemini 2.5 Pro providing inline assistance, code generation, debugging, documentation, and multi-step agent actions; and a no-code App Prototyping agent mode—also called Prototyper—where users describe, sketch, or screenshot what they want to build and Gemini generates a working Next.js web application iteratively. The built-in model defaults to Gemini 2.5 Pro without requiring a Gemini API key, giving all users access to a large-context, multimodal coding model from the moment they open a workspace. Workspaces are customizable using Nix for environment configuration and support most standard tech stacks. Deployment to Firebase App Hosting is available with a few clicks, and the platform includes a shareable URL preview for in-progress apps. Gemini Code Assist agents—covering migration, AI testing, code documentation, and app testing—are available in early access via the Google Developer Program waitlist. Firebase Studio is used by solo developers and startup teams who want to move from idea to deployed prototype without leaving the browser, particularly for building AI-powered applications using the Gemini API, Firebase Genkit, or custom backends on Google Cloud. No-code users and product designers use the App Prototyping agent to build and share functional web app drafts using screenshots, drawings, and natural language descriptions. See related. Development teams use it for collaborative workspaces, shared project access, and staged deployments to Firebase App Hosting alongside detailed usage monitoring from the Firebase Console. Developers who previously used Project IDX—which Firebase Studio directly replaces and extends—find the transition seamless, as the workspace architecture and Open VSX extension ecosystem are preserved. Firebase Studio's core advantage is the direct integration of Gemini 2.5 Pro into every stage of the development workflow—from initial prototyping through deployment and monitoring—within a zero-install browser environment backed by Google Cloud infrastructure. At no cost, users can create up to three workspaces. Joining the Google Developer Program (Standard tier, free with a Google Workspace or personal account) raises the workspace limit to 10, and the Premium tier at $24.99 per month increases it to 30 workspaces alongside an increased Gemini quota for the App Prototyping agent. Certain integrations such as Firebase App Hosting require a Google Cloud Billing account, and the Gemini Developer API transitions to paid tiers when the project is upgraded to the Blaze billing plan. The App Prototyping agent currently supports Next.js web apps only, with additional platform and framework support listed as in-progress Compare alternatives.