Free
Free
$0 per month for the open-source macOS app
- Local agents
- Run CLI agents with your own API keys locally
- Features
- Vertical tabs, splits, browser panels, and socket API
Code · Vendor site 2026-10-04
cmux is a free, open-source macOS terminal built on Ghostty for multitasking with AI coding agents. It adds vertical tabs, split panes, notification rings, an in-app browser, and optional cloud VMs on paid plans for remote agent sandboxes.
Understand the total cost
Free
Free
$0 per month for the open-source macOS app
Pro
$50.00 /mo
$50 per month on monthly billing
Max
$200.00 /mo
$200 per month on monthly billing
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
Yes. cmux has an ongoing free plan. Free tier includes the native macOS terminal, local agents with your own API keys, and community support at $0/month.
cmux paid plans start at $50 per month (Pro $50/mo, Max $200/mo). Prices are in USD and last checked Oct 4, 2026.
API or developer access is mentioned. Site documents a CLI and socket API for programmatic control of tabs, splits, and browser panels.