| Tagline | AI academic writer where every claim traces to its source | AI research assistant for reading, writing, and reviewing papers |
| Category | Research | Research |
| Best for | Graduate students, PhD candidates, and academic researchers who need AI writing assistance that stays grounded in their own sources with verifiable, properly formatted citations. | Students, academics, and R&D teams who need to read, understand, and synthesize scientific papers faster, and produce literature reviews or research writing with proper citations. |
| Pricing | Free plan available (10 AI autocompletes/day, 10 PDF uploads, no credit card required). Paid plans from $12/mo (Plus) to $29/mo (Pro), with 60% off on annual billing. | Free to sign up. Paid plans from $12/mo (Premium, billed annually, 1,200 credits/mo) to $160/mo (Max, billed annually, 40,000 credits/mo); custom Enterprise plans available. |
| Rating | 4.7 / 5 | 4.6 / 5 |
| Pros | - • AI-suggested sentences are grounded in your own uploaded papers, with traceable citations linking to the exact page and paragraph
- • Semantic search across 200M+ academic papers without leaving the editor
- • Reviews analyzes claims for unsupported, contradicted, or overstated statements before submission
- • AI chat reads your entire source library and answers with cited responses
- • Real-time collaboration with comments, suggested edits, and version history
- • Genuinely usable free plan with no credit card required
| - • Chat with PDF explains equations, methods, and jargon in plain language inside the paper itself
- • Runs literature reviews and systematic reviews (SLR) across millions of papers automatically
- • Bundles paraphrasing, citation generation, data extraction, and AI detection for research writing
- • Free to sign up and start using before committing to a paid plan
- • Trusted at scale — 9.6 million+ researchers, used by pharma/biotech R&D teams too
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| Cons | - • Free plan is limited to 10 autocompletes/day, 10 PDF uploads, and 3 reviews
- • Unlimited AI chat, edits, and reviews require the Pro plan
- • Live chat support is only available from the Plus plan and above
| - • Deeper features (Deep Research, Systematic Review, higher usage) are gated behind paid credits
- • Credit-based usage means heavy users will burn through the Premium tier's 1,200 credits quickly
- • Advanced/Max pricing ($70-$160/mo) is steep for individual students
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