Compare Lumo by Proton vs Jenni AI vs Onyx

Side-by-side comparison of Lumo by Proton, Jenni AI, Onyx
FeatureLumo by ProtonJenni AIOnyx
DescriptionLumo is Proton's AI assistant for questions, writing help, and file chats, built so your conversation history stays encrypted and private. A free plan lets anyone try it, and Plus adds unlimited chats for people who want privacy-first help every day.Jenni AI helps students and researchers draft papers with AI autocomplete, citations, and editing help. A free plan covers light daily use, and Plus or Pro plans raise limits so you stay in charge of the final argument.A self-hosted AI chat and search platform that connects to your team's documents and apps. Built for: Small teams who want an AI assistant over their shared knowledge. Format: Self-hosted web app (Docker). License: Open-core: MIT, except ee/ directories (Onyx Enterprise License). Open source on GitHub (32,407 stars as of 2026-10-11).
PricingFree $0; Lumo Plus $12.99/mo monthly or $9.99/mo billed yearly ($119.88/yr)Free $0/mo; Plus about $12/mo; Pro about $29/mo (annual discounts available)Free and open source (open-core: some features are paid); self-hosting, model or API costs may apply
Main categoryChat assistantsWritingResearch and notes
WebsiteVisit Lumo by ProtonVisit Jenni AIVisit Onyx
Info last checkedOctober 17, 2026October 14, 2026October 13, 2026

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