ExplainThis records 1,463 monthly visits with -54% month-over-month growth and Free pricing. Semantic Scholar records 8,198,672 monthly visits with +5.8% growth and Free pricing.
Summarise and explain any page or video as you browse
A free, AI-powered academic search engine for 240M+ papers across every scientific field
| Dimension / Metric | | |
|---|---|---|
| Official Domain | explainthis.ai | semanticscholar.org |
| Pricing Model | Free | Free |
| Monthly Visits | 1.46K (1,463) | 8.2M (8,198,672) |
| MoM Traffic Delta |
| -1.72K (-54%) |
| +450.65K (+5.8%) |
| Primary Market & Share | 🇺🇸 United States (100%) | 🇺🇸 United States (22.9%) |
|---|
| Direct Visits / mo | 428 | 1.88M |
|---|
| User Rating | 3.9 | 4.8 |
|---|
| Supported Platforms | Website | Website |
|---|
Summarise and explain any page or video as you browse
Turn long articles and pages into a readable summary so you can decide what deserves a full read.
Get the key takeaways from YouTube videos without sitting through the entire runtime.
Primarily a Chrome extension, so it sits alongside whatever you are already browsing rather than forcing a separate app.
Built for startup knowledge workers who need context fast across marketing, sales and product research.
A free, AI-powered academic search engine for 240M+ papers across every scientific field
Search 241 million-plus publications from every scientific field using natural-language queries that match meaning rather than exact keywords.
Each indexed paper gets a one-sentence machine-generated TLDR so you can triage results before committing to reading the full text.
An augmented PDF reader that highlights citations, definitions, equations and figures inline, and shows which later papers cited the passage you are reading.
See how a paper was cited, whether citations were influential, and which references shaped the work — useful for literature reviews and citation chasing.
SpecialistBroader real-time web search capabilities with academic filters, but less specialized for deep bibliographic citation analysis than Semantic Scholar.
Synthesizes direct evidence-based answers from scientific papers, but has a less comprehensive raw database than Semantic Scholar.
#2
All-in-one AI assistant across web, browser, desktop and mobile
Offers an immersive AI reading and PDF analysis workspace, but is less focused on pure bibliographic search.
AI sidebar and browser agent for reading, writing and research
Excels at automated systematic review data extraction and evidence synthesis, but indexes a narrower slice of literature.
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
Highlight the web, learn in public, and build your AI clone
SpecialistProvides advanced Smart Citations showing how papers support or dispute each other, but has a smaller overall index.
SpecialistFeatures excellent visual citation collections and literature tracking recommendations, but lacks inline paper summarization features.
SpecialistOffers superior visual graph mapping of academic paper connections, but lacks traditional keyword search and full-text reading tools.
One browser agent that combines every major AI model with web automation
SpecialistBroader real-time web search capabilities with academic filters, but less specialized for deep bibliographic citation analysis than Semantic Scholar.
Synthesizes direct evidence-based answers from scientific papers, but has a less comprehensive raw database than Semantic Scholar.
All-in-one AI assistant across web, browser, desktop and mobile
Offers an immersive AI reading and PDF analysis workspace, but is less focused on pure bibliographic search.
AI sidebar and browser agent for reading, writing and research
Excels at automated systematic review data extraction and evidence synthesis, but indexes a narrower slice of literature.
One AI assistant that plugs ChatGPT, Claude and Gemini into every tab
Highlight the web, learn in public, and build your AI clone
SpecialistProvides advanced Smart Citations showing how papers support or dispute each other, but has a smaller overall index.
SpecialistFeatures excellent visual citation collections and literature tracking recommendations, but lacks inline paper summarization features.
SpecialistOffers superior visual graph mapping of academic paper connections, but lacks traditional keyword search and full-text reading tools.
