See plan cost, the Lean route, and the human gate for every stage.
Research checked2026-07-3064 official sources monitoredAll role stacks
PURCHASE SIZE / ROLE TEAM
1 operator
Per-member plans scale with the team; account, site, usage, and one-time plans stay fixed until checkout.
SEARCH × READ × ANALYZE × CITE
Academic researcher
Use AI to compress the corpus under the same evidence standard.
Academic researchers discover literature, review a bounded corpus, write the analysis, preserve Office compatibility, check citations, and archive the submission.
Recommended stack$74.98/ month · 1 person
Lean route$34.99/ month · 1 person
Annual difference$479.88/ year
MEMBERSHIP ROUTE / 5
Recommended memberships
USD · list price
01
Microsoft 365Writing, tables, slides, and Office compatibility
PersonalPer account · $99.99 billed yearly; one person$8.33/mo
02
Adobe AcrobatOCR, annotation, comparison, and PDF review
Acrobat Pro1 seat · Per member · Individual annual subscription, billed monthly$19.99/mo
03
PerplexitySource-linked discovery and research reports
Pro1 seat · Per member · $200 billed yearly; $20 month-to-month option$16.67/mo
04
ChatGPTAnalysis, coding support, and adversarial review
Plus1 seat · Per member · Billed monthly$20/mo
05
DropboxVersioned corpus and deliverable archive
Plus1 seat · Per member · Billed yearly$9.99/mo
PLAN DELTA / PROFESSIONAL → LEAN
What changes in Lean.
5 membership changes · $39.99/mo less
Professional and Lean membership comparison for Academic researcher