Freedom251 › Text Summarization Software
Kenkyu.ai

What Kenkyu.ai is
Kenkyu.ai is a web service for finding and working with research papers. Its search reaches across the web and more than 200 million papers on Semantic Scholar, with results ordered by relevance. Results show citation counts and AI summaries, helping readers assess sources and get a quick sense of their content. Users can attach one or more sources to an AI prompt, then open the paragraph cited in an answer with a click. The service also translates research papers from major languages into a user’s native language and can summarize and extract information from papers.
The Free Plan includes unlimited paper searches, 10 AI chats, 10 file uploads, and a maximum file or translation size of 25 MB. Its text allowance is 200,000 characters, described as about 100 pages. The Plus Plan is listed at 1,260 JPY per year, billed yearly at ¥15,120/year, and raises the file or translation limit to 100 MB and the text allowance to 1,000,000 characters, about 500 pages; chats and uploads are unlimited. An Enterprise Plan includes Plus features and prioritized support, with its price not listed. Kenkyu.ai is based in Ashiya, Hyogo, Japan. Its terms say it does not guarantee the accuracy or suitability of information it provides.
Who it suits
Kenkyu.ai suits university and postgraduate students, professors, science labs, clinics, and doctors who need to find, translate, or work through research papers. Writers and journalists may also find its search, summaries, and cited answers useful when researching sources.
What it does well
- Searches the web and more than 200 million Semantic Scholar papers.
- Search results show citation counts and AI summaries.
- Answers can cite attached sources with one-click paragraph access.
- Translates papers from major languages into the user's native language.
- Free plan includes unlimited search.
What to know first
- Free plan limits AI chats to 10.
- Free plan caps uploads and translations at 25 MB.
- Service is available on the web.
- Terms disclaim guarantees about information accuracy and suitability.
Limits
The Free Plan allows 10 AI chats and 10 file uploads, with files or translations capped at 25 MB and text at 200,000 characters, about 100 pages. Plus removes the chat and upload limits and raises the caps to 100 MB and 1,000,000 characters, about 500 pages.
Plans
| Plan | Billed and limits | Price |
|---|---|---|
| Free Plan | 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 | Free |
| Plus Plan | Billed yearly at ¥15,120/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 | ¥15,120 a year |
| Enterprise Plan | Everything on Plus Plan · Prioritized support · And more… | On request |
As kenkyu.ai lists them, read 9 Oct 2026. The maker's own page has the final word.
Getting started
- Open https://www.kenkyu.ai/en in a current version of Chrome, Firefox, Edge, or Safari.
- Enable JavaScript and cookies in the browser.
- Start with the Free Plan, which includes unlimited search, 10 AI chats, and 10 file uploads.
- Choose Plus for unlimited chats and uploads, or Enterprise for prioritized support and other additions.
Verdict
Choose Kenkyu.ai if your research workflow benefits from broad paper search, translations, and answers linked to source paragraphs. The free plan includes unlimited search, while Plus removes chat and upload quotas and raises file and text limits. Consider another option if you need a guarantee that generated information is accurate or suitable.
Questions
Is Kenkyu.ai free?
Yes. The Free Plan costs 0.00 JPY and includes unlimited search, 10 AI chats, and 10 file uploads.
What does Plus cost?
Plus is listed at ¥1,260 a year, billed yearly at ¥15,120/year.
Which platforms does Kenkyu.ai support?
Kenkyu.ai is a web service. Its commerce disclosure names current versions of Chrome, Firefox, Edge, and Safari, with JavaScript and cookies enabled.
Can I upload research files?
Yes. The Free Plan includes 10 uploads with a 25 MB file or translation size limit. Plus includes unlimited uploads and a 100 MB limit.
Who makes Kenkyu.ai?
Kenkyu.ai is based in Ashiya, Hyogo, Japan.
Does Kenkyu.ai guarantee the accuracy of its answers?
No. Its terms say it does not guarantee the accuracy, reliability, completeness, legality, effectiveness, or suitability of the information it provides.
Facts from Kenkyu.ai's own pages
- Browser requirements
- The commerce disclosure lists current versions of Chrome, Firefox, Edge, and Safari, with JavaScript and cookies enabled, as the operating environment. · kenkyu.ai, 9 Oct 2026
- Cited answers
- Users can attach one or more sources to AI prompts and open the cited source paragraph with one click. · kenkyu.ai, 9 Oct 2026
- Headquarters
- Ashiya, Hyogo, Japan · kenkyu.ai, 28 Sept 2026
- Intended users
- The site names university and postgraduate students, professors, science labs, clinics and doctors, writers, and journalists as intended users. · kenkyu.ai, 9 Oct 2026
- Payments
- The privacy policy says Stripe Japan processes credit card payments and that Kenkyu.ai does not retain credit card numbers. · kenkyu.ai, 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. · kenkyu.ai, 9 Oct 2026
- Purpose
- Kenkyu.ai translates, summarizes, and extracts information from research papers for academic research. · kenkyu.ai, 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. · kenkyu.ai, 9 Oct 2026
- Research results
- Search results include citation counts and AI summaries to help users assess and understand sources. · kenkyu.ai, 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. · kenkyu.ai, 9 Oct 2026
- Security
- The FAQ says the service uses robust infrastructure and authentication as part of its security practices. · kenkyu.ai, 9 Oct 2026
- Support
- Customer support is available by email at [email protected], with a stated response time of two business days. · kenkyu.ai, 9 Oct 2026
- Translation
- The service translates research papers from major languages into the user's native language. · kenkyu.ai, 9 Oct 2026
Where Kenkyu.ai stands on Freedom251
- Text Summarization Software#10 of 24