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SearchFree tier
Mainland China: not confirmed
Search API built for AI agents to pull web results into workflows, with free credits and paid plans.
为 AI 智能体拉取网页结果而设计的搜索 API，有免费额度与付费方案。
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
View listingSearchFree tierEditor's pick
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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