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Otio.

Researching and chatting with a small document library

Free planSearch & researchChecked 29 Sept 2026

What you can do with it

Otio is an AI research workspace for collecting sources, asking questions about documents, and working through reading material. It helps keep source-based chats together in one place.

Free plan

What’s included for free

The free plan includes limited monthly AI usage, one space, and up to 10 files. Files are limited to 25 MB each and 50 MB total storage, with two parallel chats. Larger libraries and higher AI usage require an upgrade.

Free tiers can restrict usage or features. Paid upgrades are separate.

Official sources

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