73
Stack Score
Best for
Researchers, grad students, and PhDs who read papers daily and need grounded answers with citations, not generic LLM summaries.
At a glance
- Pricing
- freemiumfrom $12/mo
- Setup time
- 5 minutes
- Learning curve
- easy
- Last verified
- 5/19/2026
What we love
- ✓Citation grounding is more reliable than generic LLM chat
- ✓Extract from tables and figures, not just body text
- ✓Free tier is usable for grad students on a budget
Where it falls short
- −Lit review depth varies by field — STEM stronger than humanities
- −Premium credit limits feel tight during heavy reading weeks
- −Occasionally misattributes findings between similar papers
Pricing
✓ Pricing verified Jun 21, 20263 tiers
Basic
$0
forever
- ✓Limited chat with PDF
- ✓Basic literature review
- ✓Watermarked exports
Premium
$12
per month, $8 annual
- ✓Unlimited chat
- ✓Higher review limits
- ✓No watermark
- ✓Citation export
Team
$8
per seat / month, annual
- ✓Shared library
- ✓Team workspace
- ✓Priority support
Why we picked it
Useful for getting through dense papers in unfamiliar fields.
Overview
Read scientific papers with an AI copilot — explain equations, summarize sections, find related work.
Key features
- ●Upload a paper and chat with it — explanations, methods, references
- ●Literature review across 280M+ academic papers
- ●Auto-extracted tables, figures, and key findings
- ●AI-generated summaries with citations to specific sections
- ●Paraphraser tuned for academic writing tone
- ●Reference manager and citation generator in multiple styles
Best use cases
Reading dense papers
Drop a 30-page paper and get section-by-section explanations or ask targeted questions.
Literature review
Find related work across 280M papers and auto-extract methods and findings into a comparison table.
Drafting academic writing
Paraphrase or rewrite passages in a discipline-appropriate tone with inline citations.
Integrations
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