Summio

Input—per 1M tokens

Output—per 1M tokens

Context—tokens

WeightsClosed

About

Summio is ranked #15 of 34 in AI summarizers on Inferse. It runs on iOS, Web. There is a free plan.

Compared on AI summarizers

Free plan: Yessummio.org
Document upload: Yessummio.org
Webpage summaries: Yessummio.org
Transcript summaries: Yessummio.org

Facts

Purpose: Summio turns eligible catalogue books, public YouTube videos, compatible public articles, and text-based PDFs into structured summaries.summio.org · 2 Oct 2026
Summary depth: Readers can choose short, medium, or detailed summary depth.summio.org · 2 Oct 2026
Chat: Chat uses the summary and available source context, and shows citations when available.summio.org · 2 Oct 2026
Learning: Companion prepares recall questions and memory practice from summary ideas, and can use questions the reader asked in chat.summio.org · 2 Oct 2026
PDF limits: PDF uploads are limited to text-based files up to 50 MB and 1,000 pages; image-only scans need OCR before upload.summio.org · 2 Oct 2026
Languages: The site describes Summio as available in 27 languages.summio.org · 2 Oct 2026
Integrations and providers: The Privacy Policy names Supabase, Cloudflare, Firebase, Stripe, Apple, OpenAI, Google Gemini, OneSignal, AppsFlyer, Meta, and TikTok among service providers.summio.org · 2 Oct 2026
Security: Summio says it uses TLS/SSL encryption in transit, encryption at rest, Firebase authentication, and row-level database security.summio.org · 2 Oct 2026
Privacy: Summio says it does not sell personal information and does not use personal content to train Summio-owned models.summio.org · 2 Oct 2026
Data deletion: After account deletion, personal data is removed within 30 days except where retention is required by law.summio.org · 2 Oct 2026
Support: The About page points users to FAQs and direct contact channels for the Summio team.summio.org · 2 Oct 2026
Audience: Summio describes itself as built for readers who want to understand main ideas and decide which source deserves closer reading.summio.org · 2 Oct 2026
Eligibility limits: The service requires usable transcript context for public YouTube videos and accessible text for compatible articles and PDFs.summio.org · 2 Oct 2026