Freebuff
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What is Freebuff?
Freebuff is a 100% free AI coding agent that runs directly from your terminal (CLI) and also offers Freebuff Web for building full-stack apps from a single prompt. It replaces paid tools like Claude Code, Cursor, Codex, Devin, and OpenCode by providing AI-powered code generation, editing, review, and workflow automation without any subscription, API key, or credit card requirement. The tool is supported by unobtrusive text ads in the CLI instead of paywalls.
Key features include 9 specialized subagents (File Picker, Code Reviewer, Browser Use, Thinker GPT, and more), slash command workflow (/interview, /plan, implement, /review), access to multiple free AI models (DeepSeek V4 Pro/Flash, Kimi K2.6, MiniMax M2.7, MiMo 2.5), 5 free hours of DeepSeek V4 Flash daily for all users, browser automation, web research capabilities, bash command execution, and project-wide context awareness. Freebuff Web includes built-in auth (Google, GitHub, email magic links), database, file storage, and hosting wired in by default, with deployed URLs appearing in about 90 seconds.
Freebuff is designed for software developers, web developers, students, hobbyists, startup founders, indie hackers, and AI enthusiasts who want powerful coding assistance without subscriptions. It works on macOS, Windows, and Linux with Node.js 18+, and has 230,000+ developers coding for free with 5,500+ GitHub stars and 398 active users worldwide.
Freebuff pricing
Pricing model: Freemium
$0/year - completely free with no subscription, no API keys, no credit card required. Includes 5 free hours of DeepSeek V4 Flash daily for all users, no per-task credit limit, generous defaults for compute and storage. Freebuff is supported by unobtrusive text ads in the CLI. If you outgrow the free defaults, you can upgrade to Freebuff Pro. Compares to paid alternatives: OpenCode ($120/yr), Codex ($240/yr), Cursor ($720/yr), Claude Code ($1,200/yr), Devin ($2,400/yr).
Freebuff pros
- 100% free with no subscription required
- No API key or credit card needed
- Works directly from terminal (CLI)
- Access to DeepSeek V4 Pro/Flash models
- 5 free hours of DeepSeek V4 Flash daily
- 9 specialized subagents built in
- Slash command workflow (/interview, /plan, /review)
- Browser automation and web research support
- Project-wide context awareness
- Works on macOS, Windows, and Linux
- Simple npm install -g freebuff installation
- Freebuff Web builds full-stack apps from prompts
- Built-in auth, database, and hosting included
- Deployed URL in about 90 seconds
- Can eject code to GitHub anytime
- Connect ChatGPT subscription option available
- 2-5x speed up via fast models
- 3 clickable follow-up suggestions after each response
- No credit limits or paywalls
- 398 active users worldwide
Freebuff cons
- Supported by text ads in the CLI
- Requires Node.js 18+ installation
- Cloud backend connection (not fully local)
- Some models may use inputs for training data
- Generous defaults have compute/storage limits
- Freebuff Pro upgrade needed if outgrowing defaults
- No dedicated mobile app
- Limited to CLI and web interface only
Frequently asked questions about Freebuff
Is Freebuff really 100% free?
Yes, Freebuff is 100% free with no subscription, no API keys, and no credit card required. It is supported by unobtrusive text ads in the CLI instead of paywalls. There is no 14-day trial countdown or credit system that runs out after one big task.
How do I install Freebuff?
Install Freebuff by running npm install -g freebuff in your terminal. It requires Node.js 18+ and works on macOS, Windows, and Linux. After installation, navigate to your project directory with cd your-project and run freebuff to start coding.
What AI models does Freebuff use?
Freebuff provides access to multiple free AI models including DeepSeek V4 Pro/Flash, Kimi K2.6, MiniMax M2.7, MiMo 2.5, and MiMo 2.5 Pro. Users can choose any model, all free, with 5 free hours of DeepSeek V4 Flash daily.
What is Freebuff Web?
Freebuff Web is the free way to build full-stack apps from a single prompt. It wires in auth (Google, GitHub, email magic links), database, file storage, and hosting by default. Every prompt deploys to a live URL within about 90 seconds, and you can eject to GitHub anytime.
What are the 9 specialized subagents?
The 9 specialized subagents include File Picker (file finding), Code Reviewer, Browser Use (browser automation), Thinker GPT (deep reasoning), and more for tasks like code scanning, deep editing, and workflow automation.
Can I use my own domain with Freebuff Web?
Yes, you can point a custom domain at any deployed app from the project settings page in Freebuff Web.
Does Freebuff store my app data or train on it?
Your app data lives in the project database provisioned for you. Freebuff does not train on your data and does not share it with third parties.
What is the limit on the free tier?
There is no per-task credit limit. Generous defaults apply for compute and storage. If you outgrow them, you can upgrade to Freebuff Pro.
Can I connect a ChatGPT subscription to Freebuff?
Yes, Freebuff allows you to connect a ChatGPT subscription, which is a feature not available in competitors like Lovable, Bolt, Replit, or Emergent.
How does Freebuff CLI work with Freebuff Web?
Freebuff Web is fastest for greenfield projects while Freebuff CLI is fastest for editing. Both share the same agent, context model, and subagents. You can prototype in the browser, push to GitHub, cd into the repo, run freebuff, and keep iterating in your terminal without losing momentum.