Kenkyu.ai
Kenkyu.ai helps academic researchers search for papers and translate, summarize, and extract information from them.
What Kenkyu.ai is
Kenkyu.ai helps academic researchers search for papers and translate, summarize, and extract information from them. Search covers the web and more than 200 million research papers on Semantic Scholar, with results ranked by relevance. Results include citation counts and AI summaries. Users can attach one or more sources to an AI prompt and open the cited paragraph with one click. The service translates papers from major languages into a user’s native language. Its Free Plan costs nothing and includes unlimited searches, 10 AI chats, 10 file uploads, a 25 MB file or translation size limit, and 200,000 characters, described as about 100 pages. The Plus Plan is listed at ¥1,260 a year, billed yearly at ¥15,120/year, with unlimited chats and uploads, a 100 MB size limit, and 1,000,000 characters, about 500 pages. Enterprise includes Plus features and prioritized support, with no price listed. Kenkyu.ai is based in Ashiya, Hyogo, Japan. Its terms state that it does not guarantee the accuracy, reliability, completeness, legality, effectiveness, or suitability of information it provides.
Good
- Searches the web and Semantic Scholar papers.
- Results include citation counts and AI summaries.
- Answers can link directly to cited paragraphs.
- Translates research papers from major languages.
- Free plan includes unlimited searches.
Watch out
- Free plan allows 10 AI chats.
- Free plan allows 10 file uploads.
- Free plan file or translation limit is 25 MB.
- Terms do not guarantee information accuracy or suitability.
Who it suits
Kenkyu.ai is intended for university and postgraduate students, professors, science labs, clinics and doctors, writers, and journalists. It may suit people who need paper search, translation, summaries, or cited answers.
Verdict
Kenkyu.ai combines paper search, translation, summaries, and source-linked AI responses. Its terms make no guarantee about the accuracy or suitability of its information, so readers should assess sources themselves.
Plans and prices
From Kenkyu.ai's own pricing page, checked 9 Oct 2026.
| Plan | Price | What it gives you |
|---|---|---|
| Free Plan | Free | Unlimited search across 230 million papers · 10 AI chats · 10 file uploads · 25mb file/translation size · 200,000 characters (~100 pages) · Email support within 2 business days |
| Plus Plan | ¥15,120 a year | Unlimited search across 230 million papers · Unlimited AI chats and file uploads · 100mb file/translation size · 1,000,000 characters (~500 pages) · Email support within 2 business days · Billed yearly at ¥15,120/year |
| Enterprise Plan | Priced on request | Everything on Plus Plan · Prioritized support · And more… |
The facts
Each one read from Kenkyu.ai's own pages, with the date it was checked.
Where it runs
- Browser requirements
- The commerce disclosure lists current versions of Chrome, Firefox, Edge, and Safari, with JavaScript and cookies enabled, as the operating environment.checked 9 Oct 2026
What it does
- Cited answers
- Users can attach one or more sources to AI prompts and open the cited source paragraph with one click.checked 9 Oct 2026
- Intended users
- The site names university and postgraduate students, professors, science labs, clinics and doctors, writers, and journalists as intended users.checked 9 Oct 2026
- Payments
- The privacy policy says Stripe Japan processes credit card payments and that Kenkyu.ai does not retain credit card numbers.checked 9 Oct 2026
- Privacy
- The privacy policy says registration data can include name, educational background, and email, and usage data can include IP address, connection time, cookies, browser, and device information.checked 9 Oct 2026
- Purpose
- Kenkyu.ai translates, summarizes, and extracts information from research papers for academic research.checked 9 Oct 2026
- Research accuracy
- The terms say the service does not guarantee the accuracy, reliability, completeness, legality, effectiveness, or suitability of information it provides.checked 9 Oct 2026
- Research results
- Search results include citation counts and AI summaries to help users assess and understand sources.checked 9 Oct 2026
- Research search
- Its search covers the web and more than 200 million research papers on Semantic Scholar, with results ranked by relevance.checked 9 Oct 2026
- Security
- The FAQ says the service uses robust infrastructure and authentication as part of its security practices.checked 9 Oct 2026
- Support
- Customer support is available by email at [email protected], with a stated response time of two business days.checked 9 Oct 2026
- Translation
- The service translates research papers from major languages into the user's native language.checked 9 Oct 2026
The company
- Headquarters
- Ashiya, Hyogo, Japanchecked 28 Sep 2026
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