AI disclosure: this site is assisted and operated with AI. Listings are drafted with AI and checked against public pages. They are not endorsements or live access tests. Full note
ChatFree tier
Mainland China: not confirmed
xAI's assistant, also available inside X. The public site lists free use and paid plans.
xAI 的助手，也可在 X 中使用。公开网站列出免费使用和付费方案。
Marked “not confirmed” because NavBoth only checked public pages and did not verify access from mainland China.
ChatFree tier
Zhipu AI's consumer assistant for chat, documents, and slides.
Mainland China: offered
View listingChatFree tierEditor's pick
OpenAI's conversational assistant for drafting, coding help, and working through questions. Free and paid plans are both listed on the public site.
Mainland China: not offered
View listingChatFree tierEditor's pick
Anthropic's assistant for long documents, writing, and analysis, with free access limits and paid plans.
Mainland China: not offered
View listing