Codebuff is an AI coding agent that runs in your terminal and edits your codebase from plain-language requests, using several specialised subagents. It is aimed at developers who want managed access to frontier models without their own API keys. Pay-as-you-go costs 1 cent per credit, and subscriptions run $100 to $500 a month.
The bottom line
Strong terminal agent, expensive subscriptions; start on pay-as-you-go.
5.9
Our score
5.9 / 10
Conversion Gems editorial verdict
1 cent per credit; plans from $100/mo
Features7/10
7 - multi-agent editing, three modes, custom agents and an SDK per the docs; terminal only.
Value4/10
4 - subscriptions start at $100 a month, while Cline and Aider are free with your own keys.
Ease of use7/10
7 - one npm install and plain-language prompts; credit costs take some learning.
Ecosystem6/10
6 - reads AGENTS.md/CLAUDE.md, open SDK and custom agents; no IDE extension listed.
Support5/10
5 - docs and FAQ; no live support channel confirmed on the pages we checked.
What it really is
A paid, terminal-based AI coding agent that coordinates several subagents to edit your codebase.
Our take
Codebuff is a solid pick if you live in the terminal and want managed access to top models without juggling API keys. At $100 a month for the entry subscription, try pay-as-you-go first and compare the bill against a free bring-your-own-key agent.
Why we rate it
Its multi-agent setup and current models handle multi-file changes from one plain-language request.
The catch
Costly next to free bring-your-own-key agents, and its speed and quality claims come from its own benchmark.
Best for
Developers who work in the terminal
Multi-file refactors
Teams that want managed model access
Not good for
Budget hobby projects
Developers who want an IDE-native assistant
Friction report
Time to value
Minutes: npm install, run in a project folder, describe the change.
Scale breakpoint
Heavy daily use pushes you from credits to the $200 or $500 tiers.
Walled garden
Low: works on your local files and git repo; the SDK is open source.
Codebuff pricing
Option
Price
Usage
Pay-as-you-go
1 cent per credit
Credits per task vary with complexity
Subscription
$100/mo
1x usage
Subscription
$200/mo
2.5x usage
Subscription
$500/mo
7x usage
From Codebuff's pricing page, checked 4 October 2026. Subscriptions exclude taxes and can be cancelled anytime. Freebuff, a separate free ad-supported agent from the same team, is not part of these plans.
Frequently Asked Questions
Codebuff is an AI coding agent that runs in your terminal. You install it with npm, run it in a project folder and describe changes in plain language; it reads the code, edits files and can run commands.
Pay-as-you-go costs 1 cent per credit with no subscription. Subscriptions are $100 a month (1x usage), $200 a month (2.5x) and $500 a month (7x), taxes excluded (checked 4 October 2026).
The Codebuff pricing page lists no free plan. The same team runs Freebuff, a separate free, ad-supported coding agent with a daily usage allowance.
Its docs say Opus 4.7 orchestrates Default, Plan and Max modes, and GPT-5.6 Luna runs Lite mode. Subagents use Claude, GPT and Gemini models depending on the task.
The CodebuffAI GitHub repository is Apache-2.0 licensed and now centres on Freebuff and the @codebuff/sdk framework. The paid Codebuff service itself is billed through codebuff.com.
Codebuff alternatives
Other AI coding agents to compare:
Aider: Open-source terminal pair programmer that uses your own model API key and commits changes to git.
Cline: Open-source coding agent for VS Code and the command line, free for individuals who bring their own keys.
Cursor: AI code editor, for developers who prefer working in an IDE rather than a terminal.
