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Kuaizi IME vs Baidu Input: catalog facts
Kuaizi IME	Baidu Input
Free Free and open source under the LGPL-3.0 licence.	Free Free download; no price is listed on the site.
Android	Windows, macOS, Linux, Android, iOS
Input model designed around Pinyin syllable structure Built for touchscreen typing	Large rare-character support to the GB18030-2022 standard AI continuation and writing assistant built in
Documentation is mostly in Chinese Different input style takes time to learn	Interface and documentation are in Chinese AI features likely send text to Baidu's servers
Downloadable app	Downloadable app
Open source	Closed source
License: LGPL-3.0	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 October 2, 2026	Official website Full listing and sources Checked October 2, 2026

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