How do you want to get started?
Idea Forge works with your own API key (BYOK). No subscription — you only pay for what you use. New to this? The Gemini free tier is genuinely free and takes 2 minutes to set up.
How to get a free Gemini key →Start with Gemini (Free)
1. Get your free API key from Google AI Studio
Open Google AI Studio →2. Create a key and paste it below
Choose your AI provider
Your key is saved locally and never leaves your machine. Get your API key →
What would you like to do?
From spark to build-ready in minutes
Want to see it in action? Load a demo idea to explore.
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Platform-formatted prompt ready to paste into your AI tool. Tailored instructions for the selected platform.
A clean, human-readable summary of your game idea, scope, and excitement. Perfect for saving to Notion, Obsidian, or your project Wiki to track your blueprints.
Totals combine provider-reported tokens when the API returns them, and rough estimates (about 4 characters per token) when they do not. Numbers can differ from your bill. For accurate usage and costs, use your provider’s dashboard.
Sign in to sync your local database with your mobile device.
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Status: Offline / Synced
Manage the model list for Antigravity exports. Your available models depend on your Google subscription.