Free
秘塔 AI 搜索
Ad-free structured AI search from China
ResearchAI Search
Software & Tools
Best AI Search Tools
12 curated AI Search Tools, updated 2026-10-22. Top picks include 秘塔 AI 搜索, Exa, 合享智慧 incoPat. Compare free, freemium and paid options, then open a tool page or browse alternatives.
12 toolsUpdated 2026-10-22Free 4Freemium 5Paid 3
Freemium
Exa
Semantic search built for AI agents
AI SearchAI Dev Platforms
Paid
合享智慧 incoPat
incoPat global patent database
Patents & IPAI Search
Freemium
大为 innojoy
Chinese patent search engine with AI tools
Patents & IPAI Search
Paid
IPRally
Graph-based prior art search
Patents & IPAI Search
Freemium
链企AI
Tender search plus AI bid drafting
Bid WritingAI Search
Free
知乎直答
Zhihu's AI answer engine grounded in creator content
Knowledge BaseAI Search
Paid
Glean
Enterprise AI search and assistant across all company apps
Knowledge BaseAI Search
Freemium
得理法搜
Semantic search across 130M judgments with similar-case matching
LegalAI Search
Freemium
夸克学习
AI homework solver with step-by-step reasoning and study tools
EducationAI Search
Free
去哪儿旅行
Fare-comparison pioneer using AI to find deals
TravelAI Search
Free
ima.copilot
Tencent's knowledge-base copilot that searches and remembers
Knowledge BaseAI Search
How we curate this category
Every listing is reviewed by a human before publishing. We group tools by use case, keep pricing and category data current, and link to official websites — paid placement never determines order.