Comparison
| Tool | Price from | Free plan | Category |
|---|---|---|---|
 Semantic Scholar | not listed | yes | Research & science |
 SciSpace | 12 USD/mo | ? | Research & science |
 ResearchRabbit | 10 USD/mo | yes | Research & science |
 Scite | 20 USD/mo | trial | Research & science |
 Artificial Analysis | not listed | ? | Research & science |
 Undermind | not listed | yes | Research & science |
 Connected Papers | 3 USD/mo | yes | Research & science |
 AlphaSense | not listed | trial | Research & science |
Each alternative in short
1. SciSpace
AI research assistant for academics: literature reviews across 280M+ papers, chat with PDFs, and cited paper writing.
The vendor does not state this clearly on the homepage or pricing page.
2. ResearchRabbit
AI literature discovery tool that maps papers, authors and citation connections to help researchers run literature reviews faster.
Yes, there is a free plan. Free Forever tier: unlimited searches across 310+ million articles, unlimited library and collections, collaboration by sharing collections, up to 50 seed articles, core search settings.
3. Scite
AI research assistant that answers questions from 300M+ scholarly papers and shows whether each claim is supported or disputed by later studies.
There is a free trial. 7-day free trial with access to premium features; no credit card details are mentioned in the text.
4. Artificial Analysis
Independent benchmarks and comparisons of AI models and API providers on quality, price, speed and latency, for choosing a model.
The vendor does not state this clearly on the homepage or pricing page.
5. Undermind
AI research assistant that searches the scientific literature, reads full texts and figures, and cites sources, for researchers and R&D teams.
Yes, there is a free plan. Sign up free is offered on the homepage; the exact limits of the free plan are not stated in the provided text.
6. Connected Papers
Visual graph tool that maps academic papers related to a given paper, helping researchers explore and track a field.
Yes, there is a free plan. 5 graphs per month with all features included.
7. AlphaSense
AI-powered market intelligence and search platform for finance, strategy and research teams, covering 500M+ documents.
There is a free trial. Get Started for Free option is offered on the homepage; the free access scope is not detailed in the text.
FAQ
What is the best alternative to Semantic Scholar?
The most popular option in the same category is SciSpace. See the comparison table above.