Medical Research
Perplexity Pro vs R Discovery
Scores are legacy evidence and documentation scores, not product-performance ratings. How it is computed
Perplexity Pro scores 37 of 100 (Competitive), R Discovery 21 (Niche fit). Perplexity Pro lists a public price, R Discovery is quote only.
Research tools · Reviewed November 5, 2026
On this page
Perplexity Pro
by Perplexity AI · founded 2022
General-purpose answer engine with inline citations and Deep research. Perplexity does not market it as a clinical tool.
R Discovery
by Cactus Communications
Literature search and reading app from the Editage group: a personalised paper feed built on PubMed, Crossref and OpenAlex, AI summaries, Chat PDF, audio papers and translation, with Zotero and Mendeley sync.
Score
Each row shows points earned of points available under the published rubric.
Perplexity Pro
R Discovery
| Dimension | Perplexity Pro | R Discovery | Difference |
|---|---|---|---|
| Peer-reviewed papers | 0 / 21 | 0 / 21 | 0 |
| RCT / meta-analysis / systematic review | 0 / 6 | 0 / 6 | 0 |
| Funding & adoption signal | 8.4 / 12 | 3 / 12 | +5.4 |
| Pricing transparency | 6.5 / 6.5 | 6.5 / 6.5 | 0 |
Scroll horizontally to see every column.
Pricing
Perplexity Pro
| Tier | Monthly | Annual | Notes |
|---|---|---|---|
| Free | Not stated | Not stated | A free tier exists. |
| Pro | Not stated | $204 | The monthly-billed price is not shown. Limited-time +$40 free Computer credits listed. |
| Max | Not stated | $2,004 | Adds expert-level research. The monthly-billed price is not shown. |
R Discovery
| Tier | Billing period | Price | Notes |
|---|---|---|---|
| Free | per month | Free | No credit card. AI Assistant 3 uses a day, Chat PDF 3 uses a day and 5 uploads a month, limited audio and translation, standard recommendations. No literature maps, feeds, reference-manager sync or shared lists. |
| Prime | per month | $5 | $5 a month, $12 a quarter or $39 a year. Unlimited AI Assistant, Chat PDF and literature review, unlimited audio and translation, shared reading lists, literature maps, projects with content feeds, Zotero and Mendeley sync, 1:1 support. |
| Paperpal Prime bundle | Not stated | Not stated | Prime plus Paperpal writing limits (20,000 edits, 500 AI writing uses, 10,000 words plagiarism and reference checks a month), 75,000+ illustrations, AI images, 120+ courses and a journal finder. Price not shown on the R Discovery page; the Editage Plus bundle is listed at $174 a year. |
Verified November 5, 2026 from editage.com (opens in new tab).
Evidence
Perplexity Pro
Peer-reviewed
1 PubMed record names Perplexity Pro.
R Discovery
No FDA decision, peer-reviewed study or community post in our record.
Compliance and integrations
Documented from each vendor’s own pages.
| Spec | Perplexity Pro | R Discovery |
|---|---|---|
| Free tier | Yes | Yes |
| HIPAA | No / unverified | No / unverified |
| SOC 2 Type II | No / unverified | No / unverified |
| EHR integrations | Not stated | Not stated |
| Founded | 2022 | Not stated |
| HQ | US | SG |
Scroll horizontally to see both columns.
Common questions
Open the full research tools comparison
Literature search, paper summarization, citation analysis, systematic-review extraction. Consensus and OpenEvidence have absorbed most clinician research traffic in 2026. We compared the full universe.
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