Perplexity
Freemium Blocked in mainland China
An AI Q&A and search tool that includes cited sources.
In brief Better for looking things up than for casual chat. It has free and Pro plans.
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Study and research
Look up sources, read papers, and take notes — for study and research, not casual chat.This category lists 3 tools. Official-site access from mainland China was tested on 2026-11-10 from multiple speed-test nodes. See each entry's label for the result.
Elicit
Freemium Opens directly
An AI research assistant for finding, extracting from, and reviewing papers.
In brief Academic search is a better fit than general web search. The free plan has limits.
秘塔 AI 搜索
Free Opens directly
An AI search product aimed at Chinese users.
In brief Chinese search is straightforward. The official site says it can be used for free. This page does not cover whether deeper features or the API are billed separately.