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Liner is an AI search and research product from a Seoul-based company, offered as three agents. Liner handles cited search, Liner Scholar finds and compares academic papers, and Liner Write drafts and verifies text. It is aimed at students, researchers and professionals who need answers with sources.
You ask a question or give a topic and Liner returns an answer with cited sources, which you can refine with follow-ups. Scholar and Write build on the same sources for academic research and drafting. Downloads are listed for iOS, Android, Mac, Windows, Chrome and Edge.
Students, academics and knowledge workers who want sourced answers and help with literature reviews and drafts. Liner Write and Liner Scholar are desktop-only, per the vendor.
One subscription covers all three products. The vendor names Liner Pro and Liner Max as the plans that include them, subject to usage limits. Prices are shown in the app and on the pricing page.
You.com is a general AI search engine with chat and customizable agents. Exa is a search API built for AI applications, so it targets developers rather than end-user research. Andi is a conversational search engine that leans on a clean, ad-free answer interface.
Pricing Model
Per Month (Flat)
Starting Price
Contact vendor
Free Options
Free version
Try Liner with limited usage.
Liner for individuals and growing teams. See liner.com for current pricing.
Liner for larger organizations with security and admin needs. Contact sales for a quote.
| Feature | Free | Pro Popular | Enterprise |
|---|---|---|---|
| Source-checked AI search | , | ||
| Limited monthly usage | , | , | |
| Community support | , | , | |
| Highlighting | , | , | |
| Higher usage limits | , | , | |
| Integrations | , | , | |
| Email support | , | , | |
| Everything in Pro | , | , | |
| Research reports | , | , | |
| Citation tools | , | , | |
| SSO and admin controls | , | , | |
| Dedicated support | , | , |
Other
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API Types
SDK Availability
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Developer Features
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Compliance Standards
SOC 2 Type II
EnterpriseISO 27001
EnterpriseGDPR Compliant
GlobalHIPAA
HealthcarePCI DSS
FinanceCCPA
PrivacyFedRAMP
GovernmentCSA STAR
CloudDeployment & Data
Data Residency Options
Verify with vendor for your specific region requirements.
Web search, research and answer APIs for AI apps and agents
Ad-free AI search that answers questions directly with sources
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