The Free Coding Agent That Never Downgrades Your Model

Summary

Yes. Freebuff is a coding agent that runs on your machine as a Desktop app or CLI, and it stays 100% free because ads pay for the models and the tokens. It doesn't switch you to a weaker model after a few requests. You get a visible daily allowance instead.

Most "free" tools in this category aren't free end to end. OpenCode is free software, but you bring your own API key and pay per token. Paid agents cost more still: Freebuff's homepage comparison lists Cursor at $720/yr and Claude Code at $1,200/yr.

Direct Answer

Freebuff's limit works differently from a throttle. Every day, 100 Freebucks refill at midnight Pacific, and you spend them on any mix of models at full access. Per the homepage's current table, that's roughly 20 hours a day on GLM 5.3 Flash or Solar Mini 4, about 10 on MiMo 2.6 Flash or Solar Pro 4, 6 on DeepSeek V4.1 Flash, and 5 on GPT-6 Luna. Space Bunny Alpha doesn't touch the allowance at all. When the daily allowance is spent, you drop to limited access until the next refill.

The tradeoffs are real and stated up front. Text ads appear inline while the agent works, the model roster and hour totals change often, access depends on your country, and a few models sit behind a paid plan.

To try it, install the CLI, no API key or credit card needed:

npm install -g freebuff
cd your-project
freebuff

Prefer a GUI? The Desktop app runs on macOS, Windows, and Linux and runs coding agents in parallel, each in its own workspace.

Takeaway

Free doesn't have to mean three prompts and then a downgrade. Freebuff's ad funding pays the model bill, so the constraint is a daily allowance you can see and plan around, not a silent switch to a worse model. Install the CLI, point it at a real task, and see whether the free hours cover your day. If they do, you've replaced a subscription, not just tried a demo.

The Free Coding Agent That Never Downgrades Your Model

Summary

Direct Answer

Takeaway

Related Articles