recursi.dev
recursi.dev provides...
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What is recursi.dev?
recursi.dev is a tool that...
recursi.dev pricing
Pricing model: Freemium
100% free with no API fees - completely free and open source. No sign-up needed, no subscription plans, no paid tiers. The tool operates at no cost to users as it works within web interfaces while adhering to their terms of service, avoiding all model API costs.
recursi.dev pros
- 100% free with no API fees whatsoever
- No sign-up required to use
- 100% open source codebase
- Recursively self-improving architecture
- Built from the get-go to build itself
- Client-side browser-based operation
- Uses Acorn AST for enhanced reliability
- Stable with 80,000 lines of code
- Staying firmly within chatbot terms of service
- No subscription costs at all
- Direct web access without registration
- Multiple sample apps provided as templates
- IndexedDB for efficient client storage
- File system access browser API support
- Works with web-based chatbots efficiently
- Supports Claude, Gemini, and ChatGPT
- Surprisingly efficient for web use
- Autonomous creation process
recursi.dev cons
- No official documentation available
- Still seeking beta testers
- Client-side only (no server backend)
- Limited to browser APIs
- May have browser compatibility issues
- No official support channel
- New project launched in 2026
- Limited enterprise features
- No mobile app version
- Requires modern browser with IndexedDB
Frequently asked questions about recursi.dev
What is Recursi?
Recursi is a recursively self-improving vibe coding environment that allows users to build applications with AI while avoiding model API fees. It's a browser-based, client-side tool that operates entirely without API costs, is 100% open source, and requires no sign-up to use.
Is Recursi free to use?
Yes, Recursi is 100% free with no API fees whatsoever. It's completely open source, requires no sign-up, and has no subscription plans or paid tiers. There are no API costs involved as it operates within web interfaces.
Does Recursi require sign-up?
No, Recursi does not require any sign-up. You can use it directly on the website without registering. It's designed for immediate access and user convenience.
What makes Recursi 'recursively self-improving'?
Recursi is designed from the get-go to build itself and other functionalities autonomously. Its core design allows it to essentially build itself, starting from a straightforward prompt aimed at training the language model to generate code. The tool creates code and provides instructions for placing that code correctly within files.
What web chatbots work with Recursi?
Recursi works extremely efficiently with web-based chatbots including Claude, Gemini via aistudio, and ChatGPT. It allows you to use these chatbots while staying firmly within their terms of service.
How does Recursi avoid API fees?
Recursi operates primarily on the client side using browser APIs, avoiding all model API costs. It works within web interfaces while adhering to their terms of service, so there are no API costs involved for users.
What sample apps come with Recursi?
Recursi includes a YouTube playlist app that allows ad-free YouTube browsing (also within terms of service) and 'Guitar Hero for piano' that works with MIDI piano. There are many more sample apps and templates provided as samples.
What technologies does Recursi use?
Recursi integrates the Acorn Abstract Syntax Tree (AST) for enhanced reliability. It operates client-side using browser APIs including file system access and IndexedDB. The project currently comprises approximately 80,000 lines of code.
Is Recursi open source?
Yes, Recursi is 100% open source. The entire codebase is publicly available, and you can access it directly without needing to sign up.
Who created Recursi?
Recursi was created by Rob Brown, who has been refining it since ChatGPT. The project was developed for nearly a year and became incredibly robust. It's launched in 2026 and the creator is looking for beta testers.