Project IDXGoogle's cloud-based AI IDE for building full-stack and multiplatform apps with Gemini

4.5 (6)

Reviewed by Daniel Nikulshyn·Updated July 2026

Cloud IDE AI Coding Google Gemini Full-Stack Mobile Development Firebase Browser-Based

Overview

Project IDX is a browser-based development environment from Google that lets developers spin up coding workspaces in the cloud without local setup. It supports popular frameworks like Next.js, Astro, Flutter, Angular, React, and Vue, and integrates Gemini to assist with code generation, explanation, and debugging. Workspaces run on Google Cloud and come preconfigured with templates, emulators for Android and the web, and integrations with services like Firebase. Developers can code from any device with a browser, share environments, and move between projects without managing dependencies on their local machine. The AI features inside IDX go beyond autocomplete, offering contextual chat, inline code actions, and natural-language commands to scaffold features or troubleshoot errors directly within the editor.

Key features

Cloud-based development workspaces
Gemini AI code assistance and chat
Framework templates and starters
Built-in emulators and previews
Firebase and Google Cloud integration
VS Code-based editor in the browser

Pricing

Model: Freemium
Category: Software Development
Rating: 4.5 / 5 (6)

Use cases

Prototype full-stack apps from anywhere

Spin up a Next.js, Astro, or React workspace in the browser and use Gemini to scaffold features without installing dependencies locally.

Build and preview Flutter mobile apps

Develop cross-platform Flutter apps with built-in Android and web emulators, previewing changes directly in the cloud workspace.

Ship Firebase-backed projects faster

Leverage native Firebase and Google Cloud integration to wire up auth, databases, and hosting while Gemini assists with code and debugging.

Collaborate across devices

Share preconfigured environments with teammates and switch between a laptop, tablet, or Chromebook without losing your setup.

Pros & Cons

Pros

No local setup required to start coding
Gemini-powered AI assistance built in
Templates for many popular frameworks
Integrated Android and web emulators

Cons

Requires stable internet connection
Tied to Google's cloud ecosystem
Still evolving with feature gaps versus mature IDEs

Battle record

Across 2 battles in the Pantheon.

1st

2nd

3rd

Last 2 battles

Reviews

4.5

Average from 6 ratings.

Tariq Aziz

Apr 22, 2026

Does the job

Pretty happy overall. Built-in emulators and previews just works and no local setup required to start coding. Requires stable internet connection can be annoying, but no dealbreakers — I'd recommend it to a friend without hesitating.

Ethan Brooks

Dec 13, 2025

Skeptical, then convinced

I went in skeptical — most tools in this space overpromise. It actually delivers on cloud-based development workspaces, and templates for many popular frameworks caught me off guard. Requires stable internet connection is why this isn't a perfect score, still, I'd recommend giving it a real trial.

Margaret Whitfield

Nov 12, 2025

Solid for our team

We rolled this out across the team last quarter and integrated Android and web emulators. VS Code-based editor in the browser fits neatly into how we already work, and built-in emulators and previews removed a step we used to do by hand. Requires stable internet connection, which is the main caveat, but it has held up under daily use.

Mei-Ling Wong

Aug 31, 2025

Solid for our team

We rolled this out across the team last quarter and no local setup required to start coding. Built-in emulators and previews fits neatly into how we already work, and built-in emulators and previews removed a step we used to do by hand. Tied to Google's cloud ecosystem, which is the main caveat, but it has held up under daily use.

Esther Adeyemi

Aug 30, 2025

Compared a few options

Evaluated this against two competitors. Where it wins: gemini AI code assistance and chat and gemini-powered AI assistance built in. Where it lags: still evolving with feature gaps versus mature IDEs. On balance the feature set — especially vS Code-based editor in the browser — justifies the 4 stars for our use case.

Sofia Lindqvist

Aug 3, 2025

Compared a few options

Evaluated this against two competitors. Where it wins: firebase and Google Cloud integration and gemini-powered AI assistance built in. Where it lags: tied to Google's cloud ecosystem. On balance the feature set — especially built-in emulators and previews — justifies the 5 stars for our use case.

Q&A

What frameworks are supported for scaffolding and code generation?

IDX provides templates and starters for popular frameworks such as Next.js, Astro, Flutter, Angular, React, and Vue, and Gemini can generate or modify code within any of these.

Asked by Malik Rasheed · Sep 7, 2025

Can I use Project IDX with my existing Firebase projects?

Yes, IDX includes built‑in integrations with Firebase, allowing you to connect to your existing Firebase services directly from the cloud workspace.

Asked by Mei-Ling Wong · Aug 6, 2025

How does pricing work for Project IDX workspaces?

Project IDX runs on Google Cloud, so you pay for the underlying cloud resources (CPU, memory, storage) you consume; there is no separate IDE license fee.

Asked by Ren Nakamura · Jul 20, 2025