O
Otio
48
Stack Score
Editorial pick✓ Verified working
Otio
AI research assistant for long-form readers and writers.
Try Otio✓ Free trial available
Best for
Best for researchers and content writers who ingest dozens of long sources per project.
At a glance
- Pricing
- freemiumfrom $10/mo
- Setup time
- 15 minutes
- Learning curve
- moderate
- Last verified
- 5/25/2026
What we love
- ✓Strong source-ingestion UX
- ✓Cited-claim drafting
- ✓Tier mix is friendly
Where it falls short
- −Smaller community
- −Best paired with Perplexity not as replacement
- −PDF parsing accuracy varies
Pricing
✓ Pricing verified Jun 21, 20262 tiers
Basic
$0
per month
- ✓Limited workspaces
Pro
$10
per month
- ✓Unlimited
- ✓All models
Overview
Otio (a/k/a AI Research Assistant) helps researchers ingest 100+ sources at once, generate summaries, and write drafts with cited claims. Targets PhD students, content writers, and analysts.
Key features
- ●Multi-source ingestion
- ●AI summaries
- ●Cited draft writing
- ●PDF + URL + YouTube
- ●Workspace sharing
Best use cases
Literature digest
Drop 30 PDFs into a workspace, get a synthesized summary + cite-able key claims.
Long-form writing
Generate a draft article with inline citations from your source library.
Integrations
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