T3 Code: Pricing, Features & Best Use Cases

Our take: Choose T3 Code if you already pay for coding agents like Claude Code or Codex and want one open-source MIT desktop and mobile control surface for all of them.

Main limitation: You must bring your own subscriptions to the underlying agents.

By the AI Tool Atlas editors. Based on the vendor's official documentation; we have not tested this product hands-on. What “documented overview” means

Who should use T3 Code

Choose T3 Code if you already pay for coding agents like Claude Code or Codex and want one open-source MIT desktop and mobile control surface for all of them. Based on the vendor's documentation, not on a hands-on test.

Best for: Developers using multiple coding agents

Also a good fit for

Open-source minded developers

Consider another tool if requires your own subscriptions to the underlying agents

Or if

No pricing page, so costs of optional services are not confirmed
Nightly channel builds may be less stable

T3 Code pricing and usage limits

Prices checked Oct 1, 2026 on the official US pricing page. Prices and limits change often.

Free access and trial conditions

The app is open source and free to download; no pricing page.

Paid plans: what changes as you upgrade

Open source desktop

Free source (opens in a new tab)

For: Developers using coding agents

Limits

Bring your own agent subscriptions

Includes

MIT licensed
Desktop and mobile apps

No API

Usage caps, credits and extra costs

Your own subscriptions to Claude Code, Codex and other agents.

What is T3 Code, and how does it work?

T3 Code is described as an open-source control plane for coding agents. It lets you orchestrate agents such as Claude Code, Codex, OpenCode and Cursor from a single interface, using your own subscriptions. It is MIT licensed, with source on GitHub, and is offered as desktop apps for macOS, Windows and Linux plus iOS and Android apps.

T3 Code's official site: how the product presents itself. t3.codes, captured Oct 1, 2026

What you provide and what you get back

What you give T3 Code and what comes back, from its documentation

You provide

Prompts and tasks for coding agents
Your own agent subscriptions or keys
Local projects

You get back

Agent sessions across Claude Code, Codex and others
Code changes made by the agents
Remote control of sessions from a phone

Where you can use it

Platforms: Desktop, Mobile
Licence: MIT
Desktop: macOS, Windows, Linux
Mobile: iOS, Android
Agents: Claude Code, Codex, Antigravity, OpenCode, Cursor, Grok
Channels: Stable and nightly

Where T3 Code is most useful

Scenarios are worked out by our editors from the documentation; the actual result depends on your input and plan.

Run several coding agents from one interface

Who: Developers using several coding agents
You provide: Tasks sent to Claude Code, Codex, OpenCode or Cursor
Expected result: All sessions managed from one interface
Plan needed: Free, bring your own subscription
Limitation: Needs each agent set up with your subscription source (opens in a new tab)

Control coding sessions from a phone

Who: Developers away from their desk
You provide: A running session
Expected result: Control and review from an iOS or Android phone
Plan needed: Free
Limitation: Remote use needs the optional T3 Connect service per terms source (opens in a new tab)

Fork and customize the open-source app

Who: Developers who want to customize the tool
You provide: The MIT-licensed source
Expected result: A forked app tailored to your workflow
Plan needed: Free
Limitation: You maintain your fork source (opens in a new tab)

Key features and their practical limits

Feature overview on the official site. t3.codes, captured Oct 1, 2026

Multi-agent orchestration

Orchestrates Claude Code, Codex, Antigravity, OpenCode, Cursor and Grok from one surface Avoids juggling separate agent UIs

Access: DownloadLimit: Needs each agent's own subscription source (opens in a new tab)

Bring-your-own subscription

Uses your own subscriptions to the agents Avoids paying T3 for agent access

Access: DownloadLimit: Costs go to the agent providers source (opens in a new tab)

macOS, Windows and Linux builds

Ships desktop builds for macOS, Windows and Linux Works on your usual OS

Access: Download pageLimit: Nightly builds may be less stable source (opens in a new tab)

iOS and Android apps

Provides iOS and Android apps Lets you check sessions on the go

Access: App storesLimit: Mobile depends on connection to your machine source (opens in a new tab)

T3 Code pros and cons

Reasons to choose T3 Code

MIT licensed with public source code It is MIT licensed with public source on GitHub documented source (opens in a new tab)
Desktop apps for macOS, Windows and Linux Desktop apps exist for macOS, Windows and Linux documented source (opens in a new tab)
Mobile apps listed for iOS and Android Mobile apps are available for iOS and Android documented source (opens in a new tab)
Does not require a separate T3 subscription for agents (bring your own) No T3 subscription is needed for agents because you bring your own documented source (opens in a new tab)
S e documented source (opens in a new tab)

Check before paying for T3 Code

Requires your own subscriptions to the underlying agents You need your own subscriptions to the underlying agents documented source (opens in a new tab)
No pricing page, so costs of optional services are not confirmed No pricing page exists, so optional service costs are unconfirmed documented source (opens in a new tab)
Nightly channel builds may be less stable Nightly channel builds may be less stable documented source (opens in a new tab)
Terms mention an optional T3 Connect service requiring accounts The terms mention an optional T3 Connect service that requires accounts documented source (opens in a new tab)
P r documented source (opens in a new tab)

How to use T3 Code for running several coding agents from one app

Set up T3 Code

Download T3 Code for your OS from t3.codes
Install and sign in to the agents you already use, such as Claude Code or Codex
Open a local project

Example: running several coding agents from one app

Pick an agent for the project
Send a task such as fix the failing test
Switch to another agent for a second opinion
Check progress from the mobile app

Review and export the result

Review the diff each agent produces
Confirm which subscription each agent is billing against

Example prompt suggested by our editors (not a recorded output of the product)

Find why the login test fails and fix it with the smallest change

T3 Code API

API access and separate billing

T3 Code has no public API in its official documentation. Not stated.

Privacy, data use and commercial rights

Summarized from the vendor's current policies; this is not legal advice and a vendor's badge is not an independent audit.

How your inputs and outputs are handled

Privacy page not available.

Other tools to consider instead of T3 Code

"Better suited" is based on documented features and pricing, not on a head-to-head test.

Cursor: better suited to

GitHub Copilot: better suited to

Devin Desktop (formerly Windsurf): better suited to

Claude: better suited to

Alternatives
Alternative	Pricing	Limitation
Cursor	—	—	Compare
GitHub Copilot	—	—	Compare
Devin Desktop (formerly Windsurf)	—	—	Compare
Claude	—	—

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T3 Code FAQ

Is T3 Code free?

The app is open source under MIT; you pay for the underlying agent subscriptions yourself. source (opens in a new tab)

Which agents can it control?

Claude Code, Codex, Antigravity, OpenCode, Cursor and Grok. source (opens in a new tab)

Which platforms does it run on?

macOS, Windows and Linux desktops plus iOS and Android apps. source (opens in a new tab)

Can I modify it?

Yes. The whole app is MIT licensed with source on GitHub. source (opens in a new tab)

Does it need an account?

The terms mention an optional T3 Connect service that requires accounts; the base app does not need a T3 subscription for agents. source (opens in a new tab)

Sources and review methodology

Official sources and verification dates

T3 Code homepage · checked Oct 1, 2026
Download - T3 Code homepage · checked Oct 1, 2026
Terms of Service - T3 Code homepage · checked Oct 1, 2026

Not verified: Pricing of T3 Connect; Privacy policy (not available); Docs (not available); US availability.

How we documented and maintain this page

Every fact about T3 Code above comes from the 3 official pages listed here, last compared on Oct 1, 2026; we have not run T3 Code ourselves, so it has no editorial score. How we check and re-check pages.

Article updated Oct 2, 2026; prices checked Oct 1, 2026. Outbound links to vendors are plain links; we do not earn commissions. How we review · Report an error