Tools · Comparison

Litmaps vs Perplexity AI vs Scite

All three are research tools. Here is what separates them.

	Litmaps	Perplexity AI	Scite
What it is	Litmaps accelerates your entire literature review. Discover important papers faster and transform how you do research with dynamic visualizations.	AI-powered search engine providing accurate, sourced answers using LLMs and real-time web search.	Shows whether a paper’s citations support it or contradict it, rather than merely counting them.
Category	Research	Research	Research
Pricing	Paid · $10/mo	Freemium · $20/mo	Paid · From $20/mo
How it bills	Flat monthly	Flat monthly	Flat monthly
Free tier	No	Yes	No
Rating	Not yet rated	4.6 from 5,400 reviews	Not yet rated
Features	—	Real-time web search Cited sources Pro Search deep research File analysis Image search Code execution Collections API access	Citations classified as supporting or contrasting Citation context snippets Reference checking for a manuscript Browser extension Journal and author dashboards
What works	Publishes its price openly — $10/mo Sits in Research, one of the better-covered categories here — easy to compare	Accurate with citations Real-time information Excellent for research Clean interface Generous free tier	Unique and genuinely useful signal Exposes retracted and disputed work Fits into existing reading workflow
What does not	No free tier — it has to be paid for before it can be tried 44 other tools in this catalogue claim to do the same job 12 tools in the same category have a free tier	Pro features behind paywall Sometimes shallow answers Limited creative tasks Fewer integrations	No meaningful free tier Classification is imperfect Only as good as coverage in a field

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