Liner Alternatives: 6 Best Options (2026)
The best alternatives to Liner are Perplexity, Elicit, Consensus, SciSpace, NotebookLM. Compared below on price, free tier and what each is best at.
| Tool | From | Free | Best at |
|---|---|---|---|
| Perplexity | $20/mo (Pro) | Yes | AI answer engine that cites its sources for every claim. |
| Elicit | $12/mo | Yes | AI research assistant for finding and summarizing papers. |
| Consensus | $9/mo | Yes | AI search engine for scientific research papers. |
| SciSpace | $12/mo | Yes | AI copilot for reading and understanding research papers. |
| NotebookLM | Free | Yes | Google's AI notebook that reasons over your own documents. |
| You.com | $15/mo | Yes | AI search engine with cited answers and multiple models. |
AI Search & Research
Free tier
Perplexity
AI answer engine that cites its sources for every claim.
$20/mo (Pro)
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AI Search & Research
Free tier
Elicit
AI research assistant for finding and summarizing papers.
$12/mo
→
AI Search & Research
Free tier
Consensus
AI search engine for scientific research papers.
$9/mo
→
AI Search & Research
Free tier
SciSpace
AI copilot for reading and understanding research papers.
$12/mo
→
AI Search & Research
Free tier
NotebookLM
Google's AI notebook that reasons over your own documents.
Free
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AI Search & Research
Free tier
You.com
AI search engine with cited answers and multiple models.
$15/mo
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