✓ Otio
AI research assistant that reads and cites PDFs, videos, and articles across hundreds of sources.
Why we recommend them
Otio lets users upload large volumes of sources (papers, transcripts, reports, YouTube videos, podcasts) and chat with them, with every answer citing the exact page or passage. It targets researchers, consultants, lawyers, analysts, and writers who need to synthesize many documents without manual reading. Unlike session-based tools, Otio keeps a persistent, searchable workspace that accumulates sources over time.
✓Free tier available ('Get started - free')
✓No stated source/file caps, unlike some competitors limited to ~50 sources
✓Verified citations link answers back to exact source passages
What we actually verified
9.5/10 TrustScore✓Money-back guarantee verified“…© 2026 Frontdoor Labs Ltd. Terms of Service Privacy Policy Refund Policy Company Community Blog Chrome Extension Contact Social T”
✓Free trial available“…t through your sources faster. All features. All AI models. Free to start. Try Otio free What other are saying What other are say”
✓Reachable customer service“…or Labs Ltd. Terms of Service Privacy Policy Refund Policy mailto: [email protected] Otio - Your AI Research & Writing Partner…”
✓No fine-print return conditions
✓No unrealistic claims detected
Vetted 2026-07-21 · How we vet →
Common questions about Otio
Is Otio legit and safe to buy from?
Yes — Otio passed the WhatiseBrokering.com vetting checklist (try before you buy, no fine-print returns, a real way to reach them, realistic claims only) before being listed. We remove companies that stop meeting the standard.
Can I try Otio before committing, or get my money back?
Every company in our directory must offer a free trial or, at minimum, a 7-day money-back guarantee from the day your product arrives — with no fine-print return conditions like "unopened" or "original packaging". Otio met this requirement at the time of vetting.
How do I reach Otio if something goes wrong?
Otio publishes a real customer-service contact (phone or email) — that's a listing requirement. If you can't get a response, tell us at [email protected] and we'll review their listing.
Why is Otio listed on WhatiseBrokering.com?
We discovered and vetted Otio ourselves. They don't pay us anything — they're listed purely because they meet the standard.
Had a bad experience with Otio?
This directory only works if every listing keeps earning its place. If Otio didn't live up to the standard — refused a return, unreachable support, misleading claims, anything — tell us. We'll re-review them against our vetting criteria, and if they're not abiding by our rules, we remove the listing. No exceptions, no pay-to-stay.