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T3 Code vs Emdash: catalog facts
T3 Code	Emdash
Free Free and open source under MIT; agent subscriptions are paid separately.	Free Free and open source; the coding agents you connect may have their own costs.
Windows, macOS, Linux, Android, iOS, Web, Command line	Windows, macOS, Linux
One interface for several coding agents Mobile apps for remote control of agents	Runs several coding agents in parallel in isolated Git worktrees Works with many agents rather than locking you to one
Requires at least one agent installed and logged in Does not include models of its own	Needs separately installed and paid-for coding agents to do the actual work Young product that is still changing quickly
Downloadable app, Web application	Downloadable app
Open source	Open source
License: MIT	License not stated
Not stated if an account is needed	Not stated if an account is needed
Needs internet	Not stated if it works offline
Official website Full listing and sources Checked October 1, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.