BenchRank
#54 in Notes & Knowledge ManagementUpdated 2026-08

Mendeley

by Mendeley · Reference manager with PDF annotation, Word citations and shared groups

22.7 — BenchRank score out of 100

Screenshots of Mendeley

  • Homepage
  • Pricing page

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Overview

Mendeley is a reference manager that builds a library from PDFs imported by drag and drop, watched folders or a browser extension. It stores references, lets you read and annotate PDFs, and cites as you write via a Microsoft Word add-in. Groups provide shared libraries, and paid plans add AI that answers questions over your PDFs with citations.

Best for
Researchers and students who need a reference library, PDF annotation and Word citations.
Pricing
Free plan with 2GB storage, then Premium from $4.99/month ($55/year) up to $14.99/month ($165/year).
Runs on
Browser extension

Strengths and trade-offs

Strengths

  • Imports PDFs by drag and drop or from watched desktop folders
  • Web Importer browser extension saves references while browsing
  • Groups give shared libraries for annotating with co-authors
  • Add-in cites as you write in Microsoft Word

Trade-offs

  • Free plan capped at 2GB and 5 Reading Assistant questions
  • 14-day trial converts to a paid subscription and renews automatically
  • Ask My Library and Compare Experiments need the $9.99 PRO plan or above
  • Unlimited storage only on the $14.99 MAX plan

Pricing

Published plans from Mendeley’s own pricing page, in USD. Usage charges and add-ons may apply on top.

Mendeley pricing tiers, monthly and annual rates in USD
PlanMonthlyAnnual (per month)Includes
PLUS$4.99$4.58
  • Reading Assistant (Unlimited)
  • 5GB Storage
  • $55 per year, one month free
PRO$9.99$9.17
  • Reading Assistant (Unlimited)
  • Compare Experiments and Ask My Library
  • 10GB Storage
  • $110 per year, one month free
MAX$14.99$13.75
  • Reading Assistant (Unlimited)
  • Compare Experiments and Ask My Library
  • Unlimited Storage
  • $165 per year, one month free
free plan
  • 2GB storage
  • 5 Reading Assistant questions

How this score is made up

Each dimension is scored out of 100 and combined into the headline score using fixed weights.

MCP support
0 out of 100
API quality
0 out of 100
Documentation
0 out of 100
Agent friendliness
57 out of 100
Pricing transparency
85 out of 100
Changelog
0 out of 100
Marketing site structure
50 out of 100
Operational trust
15 out of 100

Measured, but not part of the score

Useful to know, but not a mark for or against the product — so these do not affect the ranking.

Openness
60 out of 100
Maintenance
15 out of 100

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