ChatPDF vs Semantic Scholar

ChatPDF and Semantic Scholar sit in the same category. The verdict below is calculated for each role from the tasks, the role fit and the price.

Short answer

ChatPDF wins for 7 of 20 roles in our data. ChatPDF starts at $19.99/mo; Semantic Scholar publishes no fixed price.

Verdict by role

Role	Better choice	Why
Accountant	ChatPDF	covers 1 tasks relevant to this role against 0; built for this role
Lawyer	ChatPDF	covers 2 tasks relevant to this role against 1; built for this role
HR manager	Semantic Scholar	covers 2 tasks relevant to this role against 1; built for this role; works for free
Finance manager	Semantic Scholar	built for this role; works for free
Manager	ChatPDF	higher total score on tasks and fit
Marketer	Either one	even on tasks, Semantic Scholar is cheaper to start
Sales manager	Either one	even on tasks, Semantic Scholar is cheaper to start
Data analyst	Either one	even on tasks, Semantic Scholar is cheaper to start
Teacher	ChatPDF	higher total score on tasks and fit
Executive assistant	ChatPDF	higher total score on tasks and fit
Logistics manager	Either one	even on tasks, Semantic Scholar is cheaper to start
Procurement manager	ChatPDF	higher total score on tasks and fit
Secretary	Either one	even on tasks, Semantic Scholar is cheaper to start
Recruiter	Semantic Scholar	covers 2 tasks relevant to this role against 1; built for this role; works for free
HR administrator	Semantic Scholar	covers 2 tasks relevant to this role against 1; built for this role; works for free
Tax consultant	Either one	even on tasks, Semantic Scholar is cheaper to start
Auditor	ChatPDF	covers 1 tasks relevant to this role against 0; built for this role
Economist	Semantic Scholar	built for this role; works for free
Project manager	Either one	even on tasks, Semantic Scholar is cheaper to start
Social media manager	Either one	even on tasks, Semantic Scholar is cheaper to start

Side by side

	ChatPDF	Semantic Scholar
Vendor	ChatPDF	Allen Institute for AI
Category	Research and search	Research and search
Free plan	Yes: A few files a day with page and size limits, a limited number of questions a day	Yes: Completely free; sign-up is needed only for a library and alerts
Cheapest paid plan	Plus, $19.99/mo	price on request
Top plan	Plus, $19.99/mo	price on request
Tasks covered	2	2

ChatPDF: Upload a PDF and ask questions with page references, with no sign-up for the first files.

Semantic Scholar: Free research paper search with one-line summaries and a citation map.

Only ChatPDF covers

Only Semantic Scholar covers

Pitfalls to watch at work

ChatPDF

The file is stored on the service's server and stays in your account by default: keep NDA contracts and documents with personal data out, and delete files after work
The service reads scanned PDFs without a text layer poorly or refuses them
Check answers about amounts and dates on the cited page, because the model rounds

Semantic Scholar

The one-sentence summary is generated automatically: read the results section before drawing conclusions
Searching in English returns far more than other languages
Full text is available only for open-access papers

FAQ

Is ChatPDF or Semantic Scholar better for work?

In our data ChatPDF is the better choice for 7 of 20 roles. The table above shows the reason for each role.

Which is cheaper, ChatPDF or Semantic Scholar?

ChatPDF starts at $19.99/mo; Semantic Scholar publishes no fixed price.

Do ChatPDF and Semantic Scholar have free plans?

ChatPDF: Yes. A few files a day with page and size limits, a limited number of questions a day. Semantic Scholar: Yes. Completely free; sign-up is needed only for a library and alerts.

Compare ChatPDF with

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Alternatives to ChatPDF · Alternatives to Semantic Scholar · ChatPDF pricing · Semantic Scholar pricing