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Otio AI

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Otio is an AI research assistant that reads PDFs, videos and articles across many sources and answers with page-level citations.

What it does

Otio is an AI research and writing assistant for researchers, consultants, lawyers and analysts. Users upload PDFs, articles, videos and transcripts, then chat, summarize and take notes with every answer cited to the exact source passage. It supports multiple AI models and integrations like Zotero and Dropbox.

Core features

AI PDF reader and document chat
YouTube/podcast/webpage summarizers
Verified, source-level citations
Choice of multiple AI models
Notes, deep research and slide building
Integrations (Zotero, Dropbox, OneDrive, Box)

Best for

Literature reviews across many papers
Synthesizing client documents and briefs
Legal and financial document analysis
Summarizing long media into notes
Drafting essays from sources