AI Compare · Research & Search
Find and read research papers: which AI plans document it
Ask a research question and get answers that cite published papers you can open.
Prices for United States, before sales tax Data release 2026.11.07-2, Nov 7, 2026 Rules 2.5.0
9 of the 136 AI products we compare document this task on their own pages. The lowest-priced plan that does is Claude Free, which is free, as of Nov 7, 2026. Documented means offered, not tested.
- Products that document it
- 9 of 136
- Lowest price
- Free
- Use
- Research & Search
- Quality
- Not tested
What it needs
- Research paper search Searches published research papers and answers with citations to them.
- File and document uploads Upload PDFs and documents into a chat.
What you get: Answers with citations to papers.
Plans that document it
For each product, the lowest-priced plan that documents every required feature, cheapest first. Documented means offered on the vendor's own pages, not tested.
| Product | Lowest-priced plan |
|---|---|
| Claude | Claude FreeFreeThrough Anthropic's PubMed connector (no sign-in): searches PubMed biomedical citations and PubMed Central full text. Connectors are on Free. Biomedical literature only. Source checked Nov 4, 2026 |
| Consensus | Consensus FreeFreeUnlimited paper searches across over 220 million peer-reviewed papers; 10 Pro messages a month (AI summaries of up to 20 papers with in-line citations). Medical Mode narrows to medical literature. Source checked Nov 4, 2026 |
| Gemini | Gemini (free)FreeGemini links answers directly to scientific papers with verified citations (February 2026 Gemini Drop). The post names no plan; Deep Research is on every plan with plan limits. Source checked Nov 4, 2026 |
| Genspark | Genspark FreeFreeAI Sheets pulls academic data from Google Scholar (papers, citations). Source checked Nov 4, 2026 |
| Kimi | Kimi FreeFreeAgentic Search covers academic literature retrieval and academic journal databases, with reference links. Source checked Nov 7, 2026 |
| Perplexity | Perplexity FreeFreeSearch can be narrowed to Academic sources (papers and journals) with cited answers; Wiley journals and books are searchable and citable by all users. Pro Search limits vary by plan. Source checked Nov 4, 2026 |
| SciSpace | SciSpace BasicFreeLiterature Review searches a corpus of over 200 million papers (OpenAlex, Semantic Scholar, Google Scholar and others) and answers with cited papers. Source checked Nov 4, 2026 |
| X Subscription (Cursor, Grok, X) | X Subscription FreeFreeGrok Chat pulls findings from academic papers (arXiv, conference proceedings) into summaries with citations linked to claims. Chat is Limited on Free, included on paid tiers. Source checked Nov 4, 2026 |
| Microsoft Copilot | Microsoft 365 Premium$19.99 a monthResearcher agent in the Copilot app scans sources from academic studies to industry reports and returns reports with cited sources. Premium: limited agentic usage; Pro: highest. Source checked Nov 4, 2026 |
Hidden gems for this task
Smaller tools fewer people know yet, whose makers also document this task. Not tested by us. How we choose them
- ElicitElicit Basic, Free
- Jenni AIJenni Free, Free
- LinerLiner Free, Free
- PaperpalPaperpal Free, Free
- SciteScite Basic, $20 a month
Not verified for this task (a required feature is unclear, conflicting or due for a check): ChatGPT, DeepSeek, Meta AI, Mistral Vibe (formerly Le Chat), Qwen Chat, Poe, Manus, Julius AI, Grammarly, QuillBot, Wordtune, Jasper, Copy.ai, Notion AI, Gamma, Base44, Kagi Assistant, Lindy, Mem, Heptabase, Reflect, Saner.AI, Plus AI, Presentations.AI, Gumloop, Notta, tl;dv, Bluedot, Tactiq, MeetGeek, Typeless, MacWhisper.
90 other products do not offer it, or it is not what they are for.
What we have not tested
Paper search does not mean each citation supports the answer: open the papers before you rely on them.
Other Research & Search tasks
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