← All tools
Semantic Scholar
AI Search
Launched
Pricing
Free
Category
AI Search
About
Allen Institute's free academic search engine using AI to map semantic meaning and citations across 200M+ papers.
AcademicResearchCitations
Visit site→Similar tools
Perplexity Pro
The pro edition of the AI-native search engine, with model switching, deep research and file analysis — over 200 million monthly active users.
秘塔搜索 (Metaso)
A Chinese AI search engine with ad-free direct answers, academic search and deep research mode — the best Chinese-language experience.
Genspark
An AI agent search platform launched June 2024, generating structured 'Sparkpages' topic pages, ad-free.
You.com
An AI-first answer engine combining LLMs with live web retrieval for conversational search with citations.