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Head to head · 2026

Liner vs ScholarAI

Pricing, free plans, ratings, features, pros and cons, side by side. Where one comes out ahead, we mark it.

Liner

Started as a web highlighter in 2015, later added AI research search

4.2$12/mo

Visit Liner (opens Liner in a new tab)

ScholarAI

Grew out of one of the first academic-search plugins for ChatGPT

4.2$12/mo

Visit ScholarAI (opens ScholarAI in a new tab)

Who comes out ahead

Based only on the facts in our directory. The right pick still depends on the job you need done.

  • Lower starting price

    Tie

    Both start at from $12/mo

  • Free plan

    Tie

    Both have one

  • Higher rating

    Tie

    4.2 against 4.2

  • Same job?

    Yes

    Both are Research tools

Side by side

Compared onLinerScholarAI
Our rating4.24.2
Starts at$12/mo$12/mo
Free planYesYes
CategoryResearchResearch
Plans
  • Free$0/mo
  • Pro$17.99/mo
  • Max$35.99/mo
From $12/mo
Key features
  • Browser-based highlighting and annotation across general web content and PDFs
  • AI search grounded in a user's own saved highlights
  • Free tier for standard use
  • Operating since 2015, older than most competitors in this category
  • Not scoped only to academic content
  • Originated as one of the first ChatGPT plugins for academic search
  • Scholarly citation retrieval inside conversational AI workflows
  • Free tier for standard use
  • Operating since 2023
  • Built to integrate with existing AI chat tools
Pros
  • Broader scope than academic-only competitors, covers general web reading too
  • Long operating history refining the annotation experience specifically
  • Free tier available for standard use
  • Conversational integration suits researchers already working inside AI chat tools
  • Early-mover history in the ChatGPT plugin ecosystem
  • Free tier available for standard use
Cons
  • Less specialized for formal academic citation workflows than research-specific tools
  • More features require a paid plan
  • Highlighter-first design may feel less structured than a dedicated research platform
  • More searches and features require a paid plan
  • Plugin-ecosystem origin means less standalone-app polish than dedicated competitors
  • Conversational format suits quick lookups more than deep systematic review work
CompanyLINER, founded 2015ScholarAI, founded 2023

Prices come from each vendor's pricing page, last checked 20260703. Check the vendor before you buy.

FAQ

Questions people ask

Is Liner better than ScholarAI?

In our reviews Liner scores 4.2 and ScholarAI scores 4.2. The better pick depends on the job. Liner: Started as a web highlighter in 2015, later added AI research search. ScholarAI: Grew out of one of the first academic-search plugins for ChatGPT.

Which is cheaper, Liner or ScholarAI?

Both start at the same price (from $12/mo).

Do Liner and ScholarAI have free plans?

Yes, both have a free plan.

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