head to head · open source
OpenCode vs T3 Code
OpenCode has 208,150 GitHub stars, 27,350 forks, 5,727 open issues and last shipped yesterday. T3 Code has 22,945 stars, 5,817 forks, 1,628 open issues and last shipped yesterday. OpenCode leads on adoption by 807% (208,150 vs 22,945 stars). OpenCode is written in TypeScript under MIT; T3 Code is written in TypeScript under MIT. OpenCode has attracted 13% as many forks as stars, T3 Code 25%. T3 Code was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| OpenCode | T3 Code | |
|---|---|---|
| GitHub stars | ★ 208K | ★ 23K |
| License | MIT | MIT |
| Written in | TypeScript | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 27K | ⑂ 5.8K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick OpenCode if
- You weight community size — 208K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick T3 Code if
- You want the T3 Code feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and T3 Code fits your workflow better
About OpenCode
OpenCode is an open source AI coding agent designed to operate across terminal, IDE, and desktop environments. It integrates directly into developer workflows to assist with writing, editing, and understanding code using natural language prompts. Built in TypeScript and licensed under MIT, it runs locally or via a desktop app and supports multiple languages and platforms.
read the full OpenCode overview →
About T3 Code
T3 Code is an open source agent harness control surface for AI assisted coding. It lives in the developer tools ecosystem for local coding agents, and it gives users one interface for agents that are already installed and authenticated on their own computer. The project is written in TypeScript and is MIT licensed.
read the full T3 Code overview →
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Frequently asked questions
Is OpenCode or T3 Code more popular?
OpenCode has 208,150 GitHub stars and T3 Code has 22,945. OpenCode has the larger community by that measure.
Are OpenCode and T3 Code free?
Both are open source. OpenCode is licensed under MIT and T3 Code under MIT. Neither carries a licence fee.
What is the difference between OpenCode and T3 Code?
OpenCode is written in TypeScript and T3 Code in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, OpenCode or T3 Code?
Choose OpenCode if you want the larger community (208,150 stars) or its MIT licence terms. Choose T3 Code if its feature set, stack or MIT licence fits better. Both are self-hostable.