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Trae vs Theia IDE: catalog facts
Trae	Theia IDE
Freemium Free to download, with paid plans for heavier AI use.	Free Free and open source.
Windows, macOS	Windows, macOS, Linux, Web
AI chat and agent modes built into the editor Separate TraeWork assistant for non-coding tasks	Runs VS Code extensions from Open VSX Available on desktop and online
AI features depend on a remote service Little technical detail published on the homepage	Uses Open VSX rather than the Microsoft extension marketplace Smaller user community than VS Code
Downloadable app	Downloadable app, Web application
Closed source	Open source
License: Proprietary	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 23, 2026

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