
A free, AI-powered academic search engine for 240M+ papers across every scientific field

ExplainPaper records 26,016 monthly visits with -39.3% month-over-month growth and Freemium pricing. SummarizePaper records 1,308 monthly visits with -44.1% growth and Free pricing.
AI research companion that summarizes papers and answers questions with cited sources
| Dimension / Metric | ||
|---|---|---|
| Official Domain | explainpaper.com | summarizepaper.com |
| Pricing Model | Freemium | Free |
| Monthly Visits | 26.02K (26,016) | 1.31K (1,308) |
| MoM Traffic Delta |
| -16.81K (-39.3%) |
| -1.03K (-44.1%) |
| Primary Market & Share | 🇺🇸 United States (28.1%) | 🇺🇸 United States (100%) |
|---|
| Direct Visits / mo | 9.69K | 514 |
|---|
| User Rating | 4 | 3.8 |
|---|
| Supported Platforms | Website | Website |
|---|
Highlight dense research text and get plain-language explanations instantly
Select any confusing sentence or term and receive an immediate plain-language explanation that accounts for the rest of the paper.
Shift the reading level from beginner-friendly to expert-detail so the explanation matches your background.
Ask questions and get answers grounded in the document's actual content, with references back to the relevant sections.
Produce a smart outline, key-point extraction, and concept relationship views without reading the entire paper first.
AI research companion that summarizes papers and answers questions with cited sources
Get a detailed summary, key points, a plain-language abstract and a blog-style article for any paper found by arXiv ID, DOI, PMID or link. Summaries can be rewritten in 16 languages and for four reader levels.
Ask questions about one paper or up to ten at once. Every claim is linked to the sentence that supports it, tagged by paper when several are compared, and a Premium comparison table reads each paper whole.
Group papers into collections with notes, tags and reading status, import BibTeX or a Zotero collection, then run comparison tables and an analysis of where the papers agree, disagree and what is left open.
Choose up to five arXiv categories, bioRxiv or medRxiv areas or journal subfields, add keywords, and get new papers with short summaries every weekday, plus weekly letters that put the field's papers in perspective.

A free, AI-powered academic search engine for 240M+ papers across every scientific field


AI academic search engine for peer-reviewed science
#2
AI research platform for reading, understanding and writing scientific papers
#3Chat with any PDF, video, or website and get cited answers in seconds

Map the literature around the papers you love—free
Explore the academic literature as a visual graph of related papers
Free AI Summarizer for text, articles, URLs and images

Turn research papers and articles into interactive summary flashcards

Screen thousands of papers down to the studies that matter
AI-powered platform to read, write, and stay current with research

One AI agent for finding, reading and writing with real research
AI summaries and study guides for scientific papers
A free, AI-powered academic search engine for 240M+ papers across every scientific field
AI research platform for reading, understanding and writing scientific papers
Map the literature around the papers you love—free
Explore the academic literature as a visual graph of related papers
Free AI Summarizer for text, articles, URLs and images
Turn research papers and articles into interactive summary flashcards
Screen thousands of papers down to the studies that matter
One AI agent for finding, reading and writing with real research
AI summaries and study guides for scientific papers