400+ models, already connected
Build with any major model without API keys or accounts. Switch models mid-project whenever you want — try a different one on the same idea and see which gets it right.
Unified Builder for Frontier Models.
No setup, no subscription, no lock-in. Describe your idea and it’s live in minutes.
OpenAIAnthropicGoogle GeminiMetaMistral AI
CodexOpenCodePi.devComing soon
Skip the setup
You start at the first real decision, not a week of groundwork.
Choose a framework and stackJust describe it
Set up hosting and deploymentHosting is already there
Wire up a databaseOne click, already connected
Configure a preview environmentLive preview from the first prompt
Pick a model and get API keys400+ models, already connected
Commit to a monthly planPay only when you build
A weekend before anything is liveLive in minutes
Everything is already set up
No accounts to connect, no database to provision, no servers to configure, no keys to paste.
Four coding agents, not one
Most tools give you a single AI that works one way. RiverX runs four and picks the right one for what you are doing. If one gets stuck, switch to another and keep going.
Any kind of project
A simple site, a full React app, or a production Next.js build. You describe the idea; RiverX picks the right foundation.
A database in one click
Anything your app needs to remember — signups, bookings, orders — gets a real database, created and connected for you. Browse and edit your data right next to the preview.
Hosting included
Every project is live at a real URL from the first build. No deploy step, no server to configure. Add a custom domain when you are ready.
Live preview
Watch every change appear as it happens. Edit visually, adjust in chat, and see the result immediately — no rebuild, no refresh.
Start from something that already works
Pick a template to skip the blank page. Change everything in chat afterwards — the template is a starting point, not a constraint.
Your first try doesn’t have to be your only one
Most tools make you bet on your first idea because starting over is expensive. Here it costs almost nothing. Build the same idea with a different model, take a different angle, or throw it out and start again.
- Rebuild the same idea with a different model and compare
- Keep several versions of a project side by side
- Every change is versioned, so starting over is never destructive
- Unlimited projects and unlimited databases, on every plan including free
Built for lightning-fast speed.
RiverX delivers dynamic pages that load instantly. Achieve perfect Lighthouse scores and provide the best possible user experience.
- 99+ Performance Score
- Zero-JavaScript by default
- Automatically optimized images
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Instantly generate, preview & publish
Build websites and apps through natural conversations while watching changes appear instantly in a live preview.
- Generate and update interfaces with simple AI prompts
- Instantly preview every change with live hot reload
- Iterate faster with real-time editing and visual feedback
Edit anything instantly
Design and customize websites visually with real-time editing. Update layouts, content, typography, spacing, and components instantly.
- Edit sections directly with visual controls
- See every change instantly with real-time preview
- Customize and publish layouts effortlessly
Everything you need to ship
From the first prompt to a live URL, without a subscription or a setup step in the way.
20+ Premium Templates
Start with professionally designed templates optimized for SaaS, portfolios, startups, ecommerce, and landing pages.
AI-Powered Code Generation
Generate complete sections, components, and layouts using advanced AI models trained for modern web development workflows.
Real-Time Live Preview
See every update instantly with live preview and hot reload while editing, generating, or customizing your project.
Visual Editor
Edit content, layouts, typography, spacing, and styles visually with a no-code drag-and-edit experience.
Advanced Code Editor
Access and refine your code with a powerful built-in editor designed for full flexibility and developer control.
Automatic Backups
Every change is securely versioned and backed up automatically, making it easy to restore previous versions anytime.
One-Click Publishing
Deploy your project instantly to production builds and custom domain support.
Access to 400+ AI Models
Choose from multiple leading AI models to match your preferred balance of speed, creativity, reasoning, and code quality.
Built-In Database
Give any project a real database in one click, then browse and edit your data right beside the preview. Unlimited databases on every plan.
From idea to live in three steps
No setup in between.
Step 01
Describe it
Type what you want in plain language, or start from a template. No stack decisions.
Step 02
Shape it
Adjust in chat or edit visually. Watch every change appear live as you go.
Step 03
Publish it
Go live at a real URL instantly. Add a custom domain and payments when you are ready.
Pay for what you build
Free
Try RiverX with 22 free models and a daily allowance.
$0no card required
Free tier models
Start for free- Generous daily limits
- Free tier models
- Unlimited projects and databases
- Hosting and database included, with RiverX branding
Pay as you go
Add funds and pay per build. All 400+ models, metered per request, no subscription.
From $5$5 minimum top-up
Real-time balance & usage history
Add funds- All 400+ models unlocked
- Custom domain
- Payments enabled on your site
- No RiverX badge
- Balance never expires — no subscription
Adding funds replaces the free daily allowance — after your first top-up you pay per build instead. Most projects cost well under a dollar. A processing fee, plus any tax that applies where you are, is shown before you pay and charged only when you add funds.
Questions people ask before they start
Still unsure about something? Get in touch and we will answer it.
What is RiverX?
RiverX is an AI app builder that turns a plain-English description into a working website or web app. You describe what you want, RiverX generates it, and the result is live at a real URL in minutes. A managed database, hosting, and 400+ AI models are included, so there is nothing to install, configure, or connect.
Do I need to know how to code to use RiverX?
No. You describe what you want in plain English and RiverX writes and runs the code. You can refine anything through chat or edit it visually. Developers can still work with the underlying code and connect a GitHub repository.
How much does RiverX cost?
RiverX has a free tier with no card required, which gives you a daily allowance across a set of free-tier models, unlimited projects and databases, and hosting with RiverX branding. To use all 400+ models you add funds to a wallet, starting at a $5 minimum top-up, and pay only for what each build actually costs. There is no subscription, and your balance does not expire. Adding funds replaces the free daily allowance with pay-per-use billing.
Which AI models can I use in RiverX?
More than 400 models from every major provider are already connected, including frontier models for coding, reasoning, and vision. You can compare them by provider, capability, context window, and price in the RiverX model catalog, and switch models mid-project to try the same idea on a different one.
Do I need my own API keys or model accounts?
No. Every model is already connected through RiverX, so there are no API keys to obtain, no provider accounts to open, and no separate model bills to manage. Usage is metered per request against your RiverX wallet.
Does my app get a real database?
Yes. Anything your app needs to remember — signups, bookings, orders — gets a real database that RiverX creates and connects for you in one click. You can browse and edit your data next to the live preview. Databases are unlimited on every plan, including free.
Is hosting included, and can I use my own domain?
Hosting is included. Every project is live at a real URL from the first build, with no deploy step and no server to configure. Connecting a custom domain, removing RiverX branding, and enabling payments on your published site are available once you add funds to your wallet.
Who owns the apps and code I build with RiverX?
You do. As between you and RiverX, RiverX assigns you whatever rights it may have in the output generated from your input, so you can use it for any lawful purpose. Because AI output is probabilistic and may not be unique, you are responsible for reviewing what you build before you ship it.
How long does it take to build something with RiverX?
You can start in about 30 seconds — no setup, no install, no card. A first working version of a simple site or app typically appears within minutes of your first prompt, and you keep refining it in chat while watching every change in the live preview.
How is RiverX different from other AI website builders?
Most AI builders lock you to a single model and a single coding agent. RiverX connects 400+ models and runs several coding agents, so if one approach stalls you can switch models or agents and keep going on the same project. Billing is pay-as-you-go rather than a subscription, and the database and hosting your app needs are already wired in.