Shortlist by what you need
Start here if you know why you are leaving Papers.
Want the closest match?
PetalMost similar to Papers in what it does, its category and its price.
Visit (opens Petal in a new tab)Need a free plan?
Semantic ScholarHas a free plan, rated 4.6 out of 5. Papers has none.
Visit (opens Semantic Scholar in a new tab)Want to pay less than Papers?
GeneiFrom GBP 3.99/mo, against from $5.42/mo for Papers.
Visit (opens Genei in a new tab)Want the best rated?
AnaraRated 4.3 out of 5 in our review, against 4.2 for Papers.
Visit (opens Anara in a new tab)
At a glance
Green means better than Papers, red means worse. Prices are starting prices per month.
| Tool | Our rating | Starts at | Free plan | Best for | Compare |
|---|---|---|---|---|---|
 PapersBaseline | 4.2 | $5.42/mo | No | Reference manager with an AI research assistant for querying and organizing academic literature. | |
| Petal | 4.2Same | $4/mo$1.42 less | YesPapers has none | MIT-founded document platform with a free reference-manager component | vs Papers |
 Mendeley | 3.7−0.5 | Free | YesPapers has none | AI interprets the logic behind your search queries and surfaces patterns and missing links across your entire reference library, not just keyword matches. | vs Papers |
 SciSpace | 4.2Same | $12/mo$6.58 more | YesPapers has none | Started as a journal-formatting tool, now a broader AI research assistant | vs Papers |
 PaperBrain | 3.6−0.6 | Free | YesPapers has none | Search, read and summarise scientific papers through a single interface. | vs Papers |
| Genei | 3.8−0.4 | $3.99/mo$1.43 less | No | AI research assistant that summarizes PDFs and papers and manages citations for academic and professional writing. | vs Papers |
| Anara | 4.3+0.1 | $10/mo$4.58 more | YesPapers has none | Extracts PDF tables into structured, typed data schemas | vs Papers |
 Liner | 4.2Same | $12/mo$6.58 more | YesPapers has none | Started as a web highlighter in 2015, later added AI research search | vs Papers |
| Semantic Scholar | 4.6+0.4 | Free | YesPapers has none | The free academic database several other tools in this category build on top of | vs Papers |
The alternatives in detail
In order of how closely each one matches Papers.
Petal
4.2$4/mo
vs Papers$1.42 lessSameFree plan
MIT-founded document platform with a free reference-manager component.
- Chat interface across a shared, uploaded document library
- Petal CITE, a free cloud-native reference manager
- Founded in 2018 by MIT graduate researchers
Petal CITE provides genuinely free reference management, not just a limited trial
More features require a paid plan
Mendeley
3.7Free
vs Papers−0.5Free plan
AI interprets the logic behind your search queries and surfaces patterns and missing links across your entire reference library, not just keyword matches.
- AI Search & Insights - interprets query logic, not just keywords
- Pattern recognition uncovering relationships across your reference library
- 2GB free cloud storage with PDF management and annotation
Pattern recognition catches cross-paper connections a manual review would likely miss
Full pricing details aren't shown on the homepage
SciSpace
4.2$12/mo
vs Papers$6.58 moreSameFree plan
Started as a journal-formatting tool, now a broader AI research assistant.
- Deep journal-formatting and citation-template capability from its Typeset.io origin
- AI-powered literature review and PDF chat across 280+ million papers
- Free tier for standard use
Combines AI research assistance with genuinely deep formatting capability
Broad feature set adds more surface area to learn than a single-purpose tool
PaperBrain
3.6Free
vs Papers−0.6Free plan
Search, read and summarise scientific papers through a single interface.
- Search across scientific literature from one interface
- Summaries to triage whether a paper deserves a full read
- Content generation from the papers you collect
Compresses the triage step that dominates a literature review
Summaries are a filter, never a substitute for the source
Genei
3.8$3.99/mo
vs Papers$1.43 less−0.4
AI research assistant that summarizes PDFs and papers and manages citations for academic and professional writing.
- PDF, webpage, and research-paper summarization
- Multi-document search and question-answering
- Automatic citation and reference generation
Entry price of £3.99/month undercuts most academic research-assistant tools
No permanent free plan, only a 14-day trial
Anara
4.3$10/mo
vs Papers$4.58 more+0.1Free plan
Extracts PDF tables into structured, typed data schemas.
- Typed schema extraction of tables and structured data from PDFs
- Library connections to Zotero, Mendeley, Notion, Google Drive, PubMed, arXiv, and JSTOR
- Grounded, clickable citations tied to source passages
Structured data extraction goes beyond prose-only answers
Five-tier pricing structure takes more comparison to find the right plan
Liner
4.2$12/mo
vs Papers$6.58 moreSameFree plan
Started as a web highlighter in 2015, later added AI research search.
- 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
Broader scope than academic-only competitors, covers general web reading too
Less specialized for formal academic citation workflows than research-specific tools
Semantic Scholar
4.6Free
vs Papers+0.4Free plan
The free academic database several other tools in this category build on top of.
- Free academic search and citation index covering 200+ million papers
- AI-generated TL;DR summaries per paper
- Underlying data source for several other AI research tools in this category
Completely free with no subscription tiers at all
Less polished, feature-rich interface than paid AI assistants built on top of it
FAQ
Questions people ask
Is Papers free?
Papers does not list a free plan. Paid plans start from $5.42/mo.
What is the best free alternative to Papers?
Semantic Scholar is the highest-rated alternative here with a free plan (4.6 out of 5). Other free options: Anara, Petal, SciSpace.
What is the cheapest alternative to Papers?
Among paid plans, Genei has the lowest starting price (from gbp 3.99/mo). If you need it free, start with Semantic Scholar.
How did you pick these alternatives?
We match tools on what they do, their category and their price, using the details in our directory. Ratings come from our reviews and reader reviews.