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Freebuff (formerly Codebuff)

Ad-supported free coding agent with CLI, desktop, web and cloud versions; successor to the open-source Codebuff CLI.

  • Codebuff
  • Cloud
  • Free, open source

Official site · Source code

Where it ranks

  • C
    Coding
    Coding agents · Cloud · via Claude Haiku 5.5

Tools without a benchmark of their own inherit the tier of the best model they offer.

Facts

Vendor
Codebuff
Approach
Coding agents
Where it runs
Cloud only: needs the vendor’s service
Interface
Command line, Desktop app, Web app, Mobile app
Skill level
Beginner: works out of the box
Price
Free, open source
Pricing notes
Free, funded by text ads; no card or API key. The paid Codebuff service (codebuff.com) still sells $100/$200/$500 monthly plans or 1-cent credits.
Source code
Open source (Apache-2.0)
GitHub stars
13.6k (19 Oct 2026)
Last verified
19 Oct 2026

Price from freebuff.com, 19 Oct 2026.

Models it gives you

Sources