Option A: Elicit: screens by your criteria, the lead decides
Best when: A guided screening workflow with criteria set up front
What it does: Elicit screens with reasons; the lead checks
Strong at: Decision and criterion number given per candidate
Limit: Decisions still need checking against each abstract
Free plan: Yes, limited (limited usage for Research Agent and Research Reports)
Option B: Gemini Notebook: finds the passages, you decide
Best when: Every decision must stay with the screener
What it does: Gemini Notebook finds passages; the screener decides
Strong at: Cited abstract text for each criterion
Limit: Short abstracts may come back referenced whole, uncited
Free plan: Yes, limited (50 sources per notebook)
Option C: Claude: independent second opinion on your screening
Best when: Human decisions first, machine cross-check afterwards
What it does: You screen first; Claude re-screens and drafts
Strong at: The second pass never sees your decisions
Limit: Non-PDF files yield text only; screenshots unread
Free plan: Yes, limited (session usage cap resets every 5 hours)