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ChatPaid
Mainland China: not confirmed
AWS's generative assistant for developers and business users inside Amazon's cloud products.
AWS 面向开发者与业务用户的生成式助手，集成在亚马逊云产品中。
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
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