scid.aiDoes scid.ai have chat with PDF?
Yes, uploaded files and library papers become sources for chat and review.
Comparison
scid.ai vs SciSpace: which one fits your research
An honest comparison of SciSpace and scid.ai: sources, AI answers with citations, citation graphs, literature reviews and Russian support.
SciSpace
A toolbox for students and researchers: chat with PDF, literature review, AI writer, paraphraser, citation generator, agents.
scid.ai
scid.ai is a research workspace: question-based paper search, answers with source citations, citation graph, literature review and document in one project, in English or Russian.
Feature comparison
Ratings are based on public SciSpace materials. If something changed, tell us: info@scid.ai.
| Feature | SciSpace | scid.ai |
|---|---|---|
| Semantic search by research question | Yesquestion-based search | Yessearch by research question in chat, no keyword tuning |
| AI answers with source citations | Yesanswers and summaries | Yesanswers tied to specific papers and source passages |
| Citation graph and related papers | Nono graph | Yescitation graph of a paper (references and citing works) plus a topic graph with clusters |
| Literature review with sources | Yesliterature review table and text generation | Yesliterature review with sources, export to PDF, Word and LaTeX, public review pages |
| Chat with PDF and files | Yescore feature | Yesquestions to uploaded PDFs and library files |
| Library, bibliography and export | Yeslibrary, citation generator | Yesfavorites, source groups, BibTeX, RIS, EndNote, CSV export; citation styles including GOST |
| Topic monitoring and alerts | No | Yesdigests of new papers for subscribed topics |
| Russian interface | Partialpartial interface localisation | Yesfull Russian localisation |
| Free plan | YesBasic with limits | Yesfree start, no card required |
| Data sources | proprietary paper and PDF index | OpenAlex (250M+ scholarly works) and Crossref: metadata, abstracts, citations |
| Interface language | partial interface localisation | Russian and English interface; reviews and answers in either language |
When to choose SciSpace
- You want an AI writer, paraphraser and text checks in one place.
- Most of your work happens over uploaded PDFs.
When to choose scid.ai
- You need a citation graph and topic context, which SciSpace lacks.
- Every conclusion must stay tied to its source, and the result must become a document with a bibliography (GOST included).
- You want to keep following the topic through digests.
Questions about SciSpace and scid.ai
Does scid.ai write text for the researcher?
scid.ai prepares the review and document from sources, but it does not replace a paraphraser or general AI writer; the author stays responsible for the text.
Is there a citation generator?
Yes, a reference is formatted in the required style, GOST included, and exported to BibTeX, RIS, EndNote and CSV.
Test scid.ai on your own topic
Ask a research question, get papers, source-backed answers and a graph. Free, no card.
SciSpace is a trademark of its owner; scid.ai is not affiliated with SciSpace. The comparison is based on public materials at scispace.com.