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SearchFree
Mainland China: not confirmed
Conversational search assistant that answers with sources instead of a classic link list.
以对话方式回答并附来源的搜索助手，而非传统链接列表。
Marked “not confirmed” because NavBoth only checked public pages and did not verify access from mainland China.
SearchFree tier
Search tool that answers from research papers and shows the academic sources it used.
Mainland China: not confirmed
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Answer engine that searches the web and shows citations beside the reply, with a free tier and a paid Pro plan.
Mainland China: not confirmed
View listingSearchFree tier
AI search and chat assistant that answers with citations, with free and Pro plans listed publicly.
Mainland China: not confirmed
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