Search the public record, ask questions with cited answers, keep your own Library, and turn what you find into books, papers and posts.
Ask with citations
Ask a question in plain words. The answer is written only from the documents, with a numbered source after every claim. If the record is silent, Syrion says so.
Every claim linked to its document and page
Follow-up questions keep the thread
Share an answer with one link
Search the public record
Unlimited full-text search across over a million declassified records, patents, cables, court and congressional records and more.
Filter by year, collection and length
Read every document beside its original scan
Export results to CSV, RIS and BibTeX
Your Library
Keep your own research in one place: upload documents, organise folders, search everything you hold, and ask questions across your files and the public record together.
Folders, search, versions and trash
PDFs, Word files, notes and images
"Use my Library" in any answer
Create Studio
Turn research into finished work. A guide walks you through each step, and every claim stays cited to its source.
Books, ready to publish, with cover art
Research papers with references
Social posts, landing pages and emails
Trusted Publishers
Verified researchers can add their documents to the public Syrion record. Every item shows who published it, and readers rate its accuracy.
Public profile with everything a publisher shared
Accuracy ratings from readers
Low-rated items are reviewed and removed
Teams
Research together on one account and one bill. Owners and admins invite people, set roles and keep an eye on AI spending.
Owner, admin and member roles
One shared AI credit balance
Spending limits for each member
Create Studio
Write your own book.
You don't need to be a writer. Syrion guides you through eight steps, from your idea to a print-ready PDF with a cover, and you approve each step before the next. Publish it on your profile when it's done.
1Idea
2Research
3Outline
4Chapters
5Fact-check
6Cover art
7Front and back matter
8Publish
Videos
See Syrion at work.
Ask the archiveA tour of Syrion: ask a question, read the cited answer, open the sources.
How Syrion was built, in four episodes
Episode 1A brand you can trustEpisode 2Collecting a million documentsEpisode 3Search that ranks and citesEpisode 4From spec to research workspaceAll videos on YouTube →
Unlimited search. Pay only for AI.
Search, reading, your Library and publishing have no limits. AI answers and creation use AI credits you top up as you go.