Freebuff: An AI Programming Agent That Lets You Freely Use DeepSeek v4 Pro and Other Large Models

What is Freebuff?

Freebuff is the free version within the Codebuff ecosystem. Codebuff is an AI programming assistant that can edit codebases using natural language, and Freebuff is its free, ad-supported version, emphasizing no subscription, no credits, and no complex configuration.

Models Provided

Freebuff freely provides the following models:

Installation and Usage:

npm i -g freebuff

freebuff: https://freebuff.com/


Freebuff is indeed a real, free AI programming Agent. It runs in the terminal, and the user experience is closer to CLI programming assistants like Claude Code, rather than a typical web chat bot. However, its free model is supported by ads and connects to a cloud backend. It has the ability to read and modify project code, and can also run terminal commands. Its privacy policy doesn't seem very clear? Therefore, I recommend treating it as a 'free AI programming tool to try out,' rather than a development partner you can confidently hand over private projects to.