# Freebuff Review

> Freebuff review: Ad-funded free coding agent on curated low-cost models. History: launched as Codebuff (YC); repo and operator (Freebuff, Inc., legal docs.

![Freebuff logo](https://www.versusref.com/logos/freebuff.png)

Ad-funded free coding agent on curated low-cost models. History: launched as Codebuff (YC); repo and operator (Freebuff, Inc., legal docs effective 2026-09-02) now present Freebuff, built on the Codebuff open multi-agent framework; codebuff.com still sells the premium-model Codebuff CLI ($100-$500/mo). Also desktop, web builder, cloud IDE.

See pricing · Open source · facts verified Oct 2, 2026

## What we know about Freebuff

Freebuff sits in the ai coding agents category, where it is ad-funded free coding agent on curated low-cost models. History: launched as Codebuff (YC); repo and operator (Freebuff, Inc., legal docs effective 2026-09-02) now present Freebuff, built on the Codebuff open multi-agent framework; codebuff.com still sells the premium-model Codebuff CLI ($100-$500/mo). Also desktop, web builder, cloud IDE. We keep this Freebuff profile grounded in primary sources, each fact dated to when we last confirmed it.

Freebuff does not publish a public per-minute rate we have been able to verify, so the price figure here stays blank until we can confirm one. We would rather show nothing than a guessed number; if you have a current Freebuff quote, it is the fastest way for us to close that gap.

On capabilities, Freebuff covers enterprise plan (contact sales), pick the model per task, autonomous multi-file edits, background / cloud agents, parallel agents, and mcp support. Each of those is verified against Freebuff's own docs or dashboard, not marketing copy.

In total we track 23 verified facts for Freebuff today, each linking the primary source it came from so you can check our work - and vendor claims we have not measured ourselves are labeled as such on the Freebuff fact sheet below.

## Fact sheet

### Pricing

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| How usage is metered | $ usage pool + time windows | Oct 2 | [source](https://freebuff.com/pricing) |
| What the free plan allows | 100 Freebucks every day | Oct 2 | [source](https://freebuff.com/) |
| Cheapest paid plan (monthly) | $8 | Oct 2 | [source](https://freebuff.com/pricing) |
| Top individual plan | $60 | Oct 2 | [source](https://freebuff.com/pricing) |
| Usage included at entry tier | $1.50 daily + flexible $3 / mo | Oct 2 | [source](https://freebuff.com/pricing) |
| Rate-limit window | daily allowance (refills at midnight Pacific) + flexible... | Oct 2 | [source](https://freebuff.com/pricing) |
| Bring your own API key | No | Oct 2 | [source](https://raw.githubusercontent.com/CodebuffAI/codebuff/main/README.md) |
| Enterprise plan (contact sales) | ✓  Yes | Oct 2 | [source](https://freebuff.com/pricing) |

### Capabilities

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Models available | MiMo 2.6 Flash (default), GLM 5.3 Flash +7 more | Oct 2 | [source](https://raw.githubusercontent.com/CodebuffAI/codebuff/main/README.md) |
| Default model | MiMo 2.6 Flash | Oct 2 | [source](https://raw.githubusercontent.com/CodebuffAI/codebuff/main/README.md) |
| Pick the model per task | ✓  Yes | Oct 2 | [source](https://freebuff.com/) |

### Compliance & trust

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Trains on your code? | 'We do not use Prompt and Project Data to train our or... | Oct 2 | [source](https://freebuff.com/privacy-policy) |

### Build experience

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| Where it runs | CLI, desktop, web, cloud, chat | Oct 2 | [source](https://freebuff.com/) |
| Autonomous multi-file edits | ✓  Yes | Oct 2 | [source](https://www.codebuff.com/docs) |
| Background / cloud agents | ✓  Yes | Oct 2 | [source](https://raw.githubusercontent.com/CodebuffAI/codebuff/main/README.md) |
| Parallel agents | ✓  Yes | Oct 2 | [source](https://freebuff.com/) |
| MCP support | ✓  Yes | Oct 2 | [source](https://www.codebuff.com/docs) |
| Project rules files | AGENTS.md, CLAUDE.md, knowledge files (knowledge.md) | Oct 2 | [source](https://www.codebuff.com/docs) |

### Commercial

| Fact | Value | Verified | Source |
| --- | --- | --- | --- |
| License | Apache-2.0 | Oct 2 | [source](https://github.com/CodebuffAI/codebuff) |
| GitHub stars | 13,100 | Oct 2 | [source](https://github.com/CodebuffAI/codebuff) |
| Last release | freebuff npm 0.2.12, 2026-10-02 | Oct 2 | [source](https://registry.npmjs.org/freebuff) |
| Supported model providers | Curated hosted catalog | Oct 2 | [source](https://raw.githubusercontent.com/CodebuffAI/codebuff/main/README.md) |
| Hosted / paid option | Codebuff paid subscriptions: $100/mo (1x usage) | Oct 2 | [source](https://www.codebuff.com/pricing) |

## Freebuff head-to-head

| Comparison | Record | Per use case |
| --- | --- | --- |
| [Freebuff vs Claude Code](https://www.versusref.com/coding-agents/claude-code-vs-freebuff/) | won 4 · lost 3 · tied 0 | Beginners: won; Enterprise: lost; Free Plans: won; Local Models: won; Open Source: won; Terminal Workflows: lost; VS Code: lost |

Source: https://www.versusref.com/coding-agents/tools/freebuff/