Research Rabbit
Visual citation-network mapper for papers — still free, now has RR+.
Overview
Research Rabbit visualises citation networks and author connections across 310M+ papers, syncing with Zotero. The core tool is still free, but an October 2025 redesign added a paid RR+ tier ($10/mo) for larger searches — and drew complaints about interface clutter.
Pricing
Pricing shown for reference only. These figures reflect RECATOOLS research as of 2 Sep 2026 and may be out of date or incomplete. This is not financial or purchasing advice — always confirm the current price on the provider’s official website before making any decision.
- 310M+ papers
- Unlimited collections
- Up to 50 seed articles
- Collection sharing
- 300 seed articles
- Advanced search controls
- Multiple projects
- Signal alerts
- Volume discounts
- LibKey integration
- Usage analytics
- Dedicated support
Use cases
What you can produce with Research Rabbit
- Add a handful of seed papers and generate an interactive citation graph showing earlier foundational work, later citing papers and similar research.
- Follow an iterative 'rabbit hole' trail from one paper to the next, building a literature review by snowball sampling instead of keyword guessing.
- Sync a Zotero collection into ResearchRabbit and use it as a living seed list that updates as your library grows.
- Set up email alerts so new papers connected to a collection land in your inbox as they are published.
- Explore author and co-authorship networks to identify the key researchers and labs in an unfamiliar field.
- Spot under-connected clusters in the citation map to identify potential research gaps worth investigating.
- Export discovered papers back to a reference manager to slot straight into your citation workflow.
Research Rabbit maps citation networks, co-authorship, and topic timelines around any paper, and for years operated as a fully free public good for researchers. That changed on October 30, 2025: a redesign kept the core free — 310M+ papers, unlimited search, up to 50 seed articles — but added a paid RR+ tier ($10/mo, country-priced) for 300 seed articles and multi-project support. Existing users have pushed back on the new interface, calling it more cluttered than the minimal layout that made the tool popular, and some report the relevance filters miss obvious hits. It remains one of the best free ways to snowball a literature review and syncs cleanly with Zotero, but it's no longer a pure reference manager, has no API, and now asks power users to pay.
What people say
ResearchRabbit earned a devoted academic following as the free "Spotify for papers": drop in a few seed papers and it maps the surrounding literature as an interactive citation graph, surfacing earlier foundational work, later citing papers and thematically similar research. Users praise how well that supports snowball searching for literature reviews, the Zotero integration, author-network exploration and email alerts when new relevant papers appear.
On 30 October 2025 it shipped its largest update in years, alongside a tie-up with Litmaps: a redesigned iterative "rabbit hole" exploration flow, a more configurable graph, and — for the first time — a paid tier. The core stays free forever, with unlimited searches across 310+ million papers and up to 50 seed articles; RR+ at $10/month, country-adjusted and discounted in over 100 countries, raises that to 300 seed articles, adds multiple projects and faster support, and lifts limits on author lookups.
Some reviewers find the new iterative flow genuinely better; a vocal contingent describes the interface as cluttered and slower to navigate, and resents caps appearing on a product they loved precisely because it was free and clean. A few threads flag the relevance filters for surfacing papers that do not match the stated criteria — frustrating exactly when someone is trying to scope a new field fast. None of this touches the underlying data, which still draws from Semantic Scholar and PubMed and remains reliable for finding papers a keyword search would miss.
Reviewers are right to caution that citation mapping is a discovery aid, not a search engine: coverage questions mean it works best alongside conventional database searches rather than replacing them. Research Rabbit is a mapping layer, not a reference manager — it hands off to Zotero rather than replacing it, and there is still no mobile app and no public API for programmatic use. For anyone running a snowball-style literature review or scoping an unfamiliar field, the free tier alone still covers a single serious review, and those who preferred the pre-2025 minimalism may want to compare Litmaps and Connected Papers before subscribing.
Summary of public user & expert reviews, compiled by RECATOOLS.
Notable facts
- Research Rabbit was described by researchers on Twitter as 'the most useful academic tool since Google Scholar', with viral adoption driven entirely by word-of-mouth from PhD students.
- The platform is completely free and relies on grant funding and partnerships with academic institutions rather than user subscriptions.
- Research Rabbit's visual citation network can reveal that two papers you thought were unrelated actually share 15 common citing papers — revealing hidden conceptual connections.
Frequently asked questions
About this listing
This entry was compiled from publicly available data including Research Rabbit's official website, press releases, documentation, and reputable third-party publications. RECATOOLS is not affiliated with Research Rabbit unless explicitly stated.
Third-party AI tools update their pricing, features, availability, and policies frequently. Information here may be outdated by the time you read this — we make reasonable efforts to keep listings current, but cannot guarantee absolute accuracy.
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