Developer seat
$0
No per-engineer license.
← Solutions
Software teams
The codebase stays on your computer.
TARX on the Macs engineering already uses. No per-developer seat. Howdy is the developer console. T-1 when you need a kit.
Engineering leads who will not ship the repo to a copilot vendor for every tab.
Console
Howdy
howdy.tarx.com. No API keys yet.
Kit
T-1 from $3,499
Open kit. Not a sealed box.
THE CATEGORY
What they sell. What we ship.
The market
A copilot that bills per seat and sees the repo.
TARX
TARX is the agent on the Mac. Howdy is the console. MCP is live.
Who this page is for
CTOVP EngineeringStaff engineerSecurity / AppSec
What this buyer is already hiring for
- Private coding models
- On-prem LLM for engineers
- Air-gapped developer AI
HOW TARX WORKS
How TARX works for software teams
01
Join on the engineering Mac
Free software. Local first.
02
Open Howdy when you build
Console at howdy.tarx.com. Docs at docs.tarx.com.
03
Add a T-1 or T-4 if you need silicon
Kit, then indoor box. Same OS.
Start on the Mac you already own. TARX software is free. The codebase does not have to take a hop for every completion.
Howdy is the developer console. Docs at docs.tarx.com. MCP at https://mcp.tarx.com/mcp. TARX does not issue API keys yet. No playground theater.
T-1 is the open kit from $3,499. T-4 when the team wants a finished indoor box. Join beta. Or own Private Hardware.
THE WORK
WHAT SOFTWARE TEAMS ACTUALLY RUNS.
Code that cannot train a vendor
The repo stays on silicon the team owns.
Review and debug without a meter
Unlimited local use. No per-developer seat.
A kit when you need I/O
T-1 shapes T-4, T-7, or T-70. Howdy is the console.
ECONOMICS
Engineering should not rent a window on the repo.
| Path | Cost | What you get |
|---|---|---|
| Copilot seats | Per engineer / month | The repo hops. |
| TARX_OS | $0 | Agent on Macs you own. |
| T-1 / T-4 | $3,499 / $6,600 | Kit or indoor box. |
Howdy does not issue API keys yet.
THE STACKTARX_OS · Conversation into the runtime · free software
Join the Supercomputer. Or own Private Hardware.
TARX_OS on engineering Macs. Howdy at howdy.tarx.com. T-1 to shape the stack. T-4 when the team needs a finished indoor box.
Placeholder
SPEC · FAQ
Dialed to software teams.
Starts onEngineering Macs · free software
ConsoleHowdy · howdy.tarx.com
MCPhttps://mcp.tarx.com/mcp
KitT-1 · from $3,499
KeysNot issued yet
Is this Copilot on a Mac Studio?
No. TARX is the agent. Howdy is the console. Software is free on the Mac you own.
Do we get API keys?
Not yet. Howdy does not issue keys. MCP is live at mcp.tarx.com.
TWO EQUAL PATHSJOIN THE SUPERCOMPUTER.
JOIN THE SUPERCOMPUTER.
OR OWN PRIVATE HARDWARE.
Join the Supercomputer. Or own Private Hardware.
JOIN · TARX_OS
Join the Supercomputer
Give TARX superpowers.
TARX works privately on your computer. Connect to the Supercomputer when you want TARX to research the web, use more skills, and take on bigger jobs with deeper models. Supercomputer connection is in beta, and capacity is being qualified.
Join beta →OWN · TARX HARDWARE
Own Private Hardware.
Want more power of your own?
Add TARX hardware for faster local work, dedicated capacity, or a private cluster.
Explore Private Hardware →DEPLOYMENT DESIGN · T-4OWN YOUR COMPUTE.
OWN YOUR COMPUTE.
DESIGN THE DEPLOYMENT.
TARX software is free. Size the Black Box for the people using it. Watch the math. Submit once.