Powerful full-stack app generation from natural language, but offers more polished UI components and smoother deployment flows.
#1Base44 records 14,039,232 monthly visits with +0.5% month-over-month growth and Freemium, Paid, Contact for Pricing pricing. Rivet.dev records 21,359 monthly visits with -44.3% growth and Freemium, Contact for Pricing pricing.

Run and scale durable AI agents on your own infrastructure
| Dimension / Metric | ![]() | ![]() |
|---|---|---|
| Official Domain | base44.com | rivet.dev |
| Pricing Model | Freemium, Paid, Contact for Pricing | Freemium, Contact for Pricing |
| Monthly Visits | 14.04M (14,039,232) | 21.36K (21,359) |
| MoM Traffic Delta |
| +74.64K (+0.5%) |
| -16.97K (-44.3%) |
| Primary Market & Share | 🇺🇸 United States (32.1%) | 🇺🇸 United States (39.4%) |
|---|
| Direct Visits / mo | 7.82M | 10.71K |
|---|
| User Rating | 4.4 | 4.5 |
|---|
| Supported Platforms | Website | Website |
|---|

Build working apps, websites, and AI agents by describing them
Describe an idea and get a working app with database, authentication, payments, and hosting already wired up — no server or infrastructure setup.
Generates complete websites with layout, copy, and design, plus built-in SEO tools and custom domain support, ready to publish in one click.
Create 24/7 AI agents that connect to your tools, take real actions, manage data, and automate recurring workflows autonomously.
Connects to Google Calendar, Gmail, Slack, Notion, HubSpot, Salesforce, and more, with API access for anything else you use.

Run and scale durable AI agents on your own infrastructure
Every Actor gets a SQLite database and a filesystem, so an agent's memory and progress survive restarts and idle periods without a separate database.
Run untrusted or AI-generated code on your own infrastructure with fine-grained control over network access, filesystem permissions, and resource limits.
A node failure reschedules its Actors elsewhere with state intact, and multi-step work replays after a crash — with no checkpointing harness to build yourself.
Address an Actor directly over HTTP or hold a live WebSocket, and use the React SDK to subscribe components to an Actor's state in real time.
Powerful full-stack app generation from natural language, but offers more polished UI components and smoother deployment flows.
#1
SpecialistAn AI-native code editor offering deeper multi-file control, but demands more developer experience than zero-code platforms.

Provides a robust cloud development environment with agentic coding, but requires more manual coding oversight than pure no-code.
Converts conversational prompts into hosted applications, though with slightly less advanced UI design customizability.
Generates full-stack web apps directly in the browser, though sometimes less structured for enterprise backend scaling.
SpecialistExcels at generating high-quality front-end user interfaces, but requires additional setup for complete full-stack backend integration.

Instantly builds fully functional web apps with integrated databases and payments, but features fewer advanced customization controls.

SpecialistTransforms spreadsheets into interactive business apps easily, but lacks the raw code generation flexibility of full-stack AI builders.
Turns conversational prompts into published web and mobile apps, but has fewer enterprise-grade scaling templates.

SpecialistGenerates complete websites quickly from text prompts or screenshots, but lacks advanced dynamic database application features.

Free / Open-sourceThe TypeScript framework for building, deploying, and observing AI agents


Free / Open-sourceA local, open-source desktop app for building full-stack apps, offering better data privacy but requiring your own API keys.
Powerful full-stack app generation from natural language, but offers more polished UI components and smoother deployment flows.
SpecialistAn AI-native code editor offering deeper multi-file control, but demands more developer experience than zero-code platforms.
Provides a robust cloud development environment with agentic coding, but requires more manual coding oversight than pure no-code.
Converts conversational prompts into hosted applications, though with slightly less advanced UI design customizability.
Generates full-stack web apps directly in the browser, though sometimes less structured for enterprise backend scaling.
SpecialistExcels at generating high-quality front-end user interfaces, but requires additional setup for complete full-stack backend integration.
Instantly builds fully functional web apps with integrated databases and payments, but features fewer advanced customization controls.
SpecialistTransforms spreadsheets into interactive business apps easily, but lacks the raw code generation flexibility of full-stack AI builders.
Turns conversational prompts into published web and mobile apps, but has fewer enterprise-grade scaling templates.
SpecialistGenerates complete websites quickly from text prompts or screenshots, but lacks advanced dynamic database application features.
Free / Open-sourceA local, open-source desktop app for building full-stack apps, offering better data privacy but requiring your own API keys.