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SearchFree tier
Mainland China: not confirmed
Web search and enrichment APIs built for AI agents, with public docs and paid usage.
面向 AI 智能体的网页搜索与 enrichment API，有公开文档与付费用量。
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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