LinervsSciSpace
Two research tools, the same questions. Every answer comes from the official pages, with the date we checked. Nothing here is ranked.
last check 2026-10-10
Liner
by Liner
Liner is an AI search and research assistant that answers questions with line-by-line citations, has a Scholar Mode limited to academic sources, and includes a writing tool; a beginner might try it to find sources for an essay.
All Liner factsSciSpace
by PubGenius
SciSpace is a web tool for finding, reading and writing about research papers, with a Chat with PDF feature that answers questions about an uploaded paper and links each answer to the page it came from; a beginner might try it to get a plain-language explanation of a difficult paper.
All SciSpace factsWhere they differ
- AI modelsLiner: ChatGPT, Gemini, ClaudeSciSpace: GPT-3.5, GPT-4o
- Search scopeLiner: Web sources including academic papers and websites; Scholar Mode limits answers to academic journals and peer-reviewed articlesSciSpace: Research papers (the Literature Review page states 287 million), Paid plans add more papers from Google Scholar, PubMed and ArXiv
Same answer, but for different plans or with different conditions: file upload, traceable citations. The table below shows the conditions.
Confirmed for only one of the two so far: export formats, platforms. The table below shows which.
Same answer for both: free plan.
Plans and prices
As listed on each official pricing page, in the currency we were shown. No conversion, no rounding.
Liner
- Free Free plan$0.00 / month
- Pro Paid, individual$17.99 / month
- Max Paid, individual$35.99 / month
- Team TeamPrice not confirmed
SciSpace
- Free Free planPrice not confirmed
- Premium Paid, individual$20.00 / month
- Advanced Paid, individual$90.00 / month
- Max Paid, individual$200.00 / month
Full comparison with sources
| Research | ||
| What it is for | ||
| What it is for | Liner is an AI search and research assistant that answers questions with line-by-line citations, has a Scholar Mode limited to academic sources, and includes a writing tool; a beginner might try it to find sources for an essay. | SciSpace is a web tool for finding, reading and writing about research papers, with a Chat with PDF feature that answers questions about an uploaded paper and links each answer to the page it came from; a beginner might try it to get a plain-language explanation of a difficult paper. |
| Good for | ||
| Editor's suggestion |
|
|
| Cost | ||
| Free planA free plan that is not time-limited. Trials are listed separately. |
|
|
| Plans and pricesOriginal currency and billing period. No conversion. |
|
|
| AI models | ||
| AI modelsThe AI models the official pages name for this product. Line-ups change often, so check the date. |
|
|
| Input and output | ||
| File uploadYou can give it files such as PDFs or documents. |
|
|
| Checking facts | ||
| Traceable citationsAnswers link to the specific sources they rely on. |
|
|
| Search scopeWhat it searches: the open web, academic papers, or both. |
|
|
| Workflow | ||
| Export formatsFile formats you can download results in. |
|
|
| PlatformsWhere the product is offered: web, desktop app, mobile app, or editor extension. |
|
|
| Not yet confirmed | ||
| AccountWhether you need to sign up before using it. |
|
|
| Where it is availableCountries or regions where the provider says it can be used. |
|
|
| Usage limitsHow much each plan lets you use it, in the official pages' own words. |
|
|
| Context windowHow much text it can take in at once (a long document, a long chat). |
|
|
| Sources and confidence | ||
| Confidence | Last checked 2026-10-10 Not yet confirmed: Account, Where it is available, Usage limits, Context window | Last checked 2026-10-10 Not yet confirmed: Export formats, Platforms, Account, Where it is available, Usage limits, Context window |
What it is for
What it is for
Liner:
Liner is an AI search and research assistant that answers questions with line-by-line citations, has a Scholar Mode limited to academic sources, and includes a writing tool; a beginner might try it to find sources for an essay.
SciSpace:
SciSpace is a web tool for finding, reading and writing about research papers, with a Chat with PDF feature that answers questions about an uploaded paper and links each answer to the page it came from; a beginner might try it to get a plain-language explanation of a difficult paper.
Editor's suggestion
Liner:
- Editor's suggestion: Try summarising a document you are allowed to share, then check the summary against the original.
- Editor's suggestion: Use it to find sources on a specific question, then open each citation to confirm it says what the answer claims.
SciSpace:
- Editor's suggestion: Try summarising a document you are allowed to share, then check the summary against the original.
- Editor's suggestion: Use it to find sources on a specific question, then open each citation to confirm it says what the answer claims.
Cost
Free plan
A free plan that is not time-limited. Trials are listed separately.
Liner:
- Supportedliner.comchecked 2026-10-10
Free plan
SciSpace:
- Supportedscispace.comchecked 2026-10-10
Free plan
Plans and prices
Liner:
- Free (Free plan)$0.00 / month
- Pro (Paid, individual)$17.99 / month
- Max (Paid, individual)$35.99 / month
- Team (Team)Price not confirmed
- All plan details and sources
SciSpace:
- Free (Free plan)Price not confirmed
- Premium (Paid, individual)$20.00 / month
- Advanced (Paid, individual)$90.00 / month
- Max (Paid, individual)$200.00 / month
- All plan details and sources
AI models
AI models
The AI models the official pages name for this product. Line-ups change often, so check the date.
Liner:
- ChatGPT, Gemini, Claudeliner.comchecked 2026-10-10
SciSpace:
- GPT-3.5, GPT-4oscispace.com +1checked 2026-10-10
Input and output
File upload
You can give it files such as PDFs or documents.
Liner:
- Supportedliner.comchecked 2026-10-10
Plans: Free, Pro, Max, Team
SciSpace:
- Supportedscispace.comchecked 2026-10-10
Plan not specified
Checking facts
Traceable citations
Answers link to the specific sources they rely on.
Liner:
- Supportedliner.comchecked 2026-10-10
Plans: Free, Pro, Max, Team
SciSpace:
- Supportedscispace.comchecked 2026-10-10
Plan not specified
Search scope
What it searches: the open web, academic papers, or both.
Liner:
- Web sources including academic papers and websites; Scholar Mode limits answers to academic journals and peer-reviewed articlessupport.liner.comchecked 2026-10-10
SciSpace:
- Research papers (the Literature Review page states 287 million)scispace.comchecked 2026-10-10
- Paid plans add more papers from Google Scholar, PubMed and ArXivscispace.comchecked 2026-10-10
Plans: Premium, Advanced, Max
Workflow
Export formats
File formats you can download results in.
Liner:
- PDF, DOCXliner.comchecked 2026-10-10
SciSpace:
- Not yet confirmed
Platforms
Where the product is offered: web, desktop app, mobile app, or editor extension.
Liner:
- Web, Mobile app, Desktop appsupport.liner.com +1checked 2026-10-10
SciSpace:
- Not yet confirmed
Not yet confirmed
Account
Whether you need to sign up before using it.
Liner:
- Not yet confirmed
SciSpace:
- Not yet confirmed
Where it is available
Countries or regions where the provider says it can be used.
Liner:
- Not yet confirmed
SciSpace:
- Not yet confirmed
Usage limits
How much each plan lets you use it, in the official pages' own words.
Liner:
- Not yet confirmed
SciSpace:
- Not yet confirmed
Context window
How much text it can take in at once (a long document, a long chat).
Liner:
- Not yet confirmed
SciSpace:
- Not yet confirmed
Sources and confidence
Confidence
Liner:
Last checked 2026-10-10
Not yet confirmed: Account, Where it is available, Usage limits, Context window
SciSpace:
Last checked 2026-10-10
Not yet confirmed: Export formats, Platforms, Account, Where it is available, Usage limits, Context window