Code Arena records 35,827,928 monthly visits with +19.4% month-over-month growth and Free pricing. Semantic Scholar records 8,198,672 monthly visits with +5.8% growth and Free pricing.
Battle-test AI coding models side by side
A free, AI-powered academic search engine for 240M+ papers across every scientific field
| Dimension / Metric | | |
|---|---|---|
| Official Domain | arena.ai | semanticscholar.org |
| Pricing Model | Free | Free |
| Monthly Visits | 35.83M (35,827,928) | 8.2M (8,198,672) |
| MoM Traffic Delta |
|---|
| +5.83M (+19.4%) |
| +450.65K (+5.8%) |
| Primary Market & Share | 🇮🇳 India (13.1%) | 🇺🇸 United States (22.9%) |
|---|
| Direct Visits / mo | 24.34M | 1.88M |
|---|
| User Rating | 4.7 | 4.8 |
|---|
| Supported Platforms | Website | Website |
|---|
Battle-test AI coding models side by side
Send the same coding prompt to multiple leading models and compare their generated apps and logic side by side.
Watch models construct web apps and websites live, so you can see process and output, not just the final file.
Projects go beyond one-off snippets, testing how well a model structures components, routes, and styles together.
Track which coding models accumulate the most wins over time to identify consistently strong performers.
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
Offers an immersive AI reading and PDF analysis workspace, but is less focused on pure bibliographic search.
#3Excels at automated systematic review data extraction and evidence synthesis, but indexes a narrower slice of literature.
Crowdsourced arena where AI models compete and humans crown the best design output
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.
Agent Skills that give your coding agent real design taste
Free / Open-sourceSearch and study millions of public SKILL.md agent skills
Free AI hackathons and a global community for AI builders
AI-native workspace for literature reviews and auditable systematic reviews
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.
Offers an immersive AI reading and PDF analysis workspace, but is less focused on pure bibliographic search.
Excels at automated systematic review data extraction and evidence synthesis, but indexes a narrower slice of literature.
Crowdsourced arena where AI models compete and humans crown the best design output
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.
Agent Skills that give your coding agent real design taste
Free / Open-sourceSearch and study millions of public SKILL.md agent skills
Free AI hackathons and a global community for AI builders
AI-native workspace for literature reviews and auditable systematic reviews
