Compare Brave Leo vs HIX AI vs Onyx

Side-by-side comparison of Brave Leo, HIX AI, Onyx
FeatureBrave LeoHIX AIOnyx
DescriptionBrave Leo is an AI assistant inside Brave that helps you ask questions and draft text while browsing. Free Leo is available without a separate account, and Leo Premium adds higher limits and more model choice for people who want privacy-minded chat help.HIX AI helps you draft articles, emails, and chat replies with a suite of writing tools. A free plan is available without a credit card, and paid plans unlock higher limits for people who create content regularly.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 Leo included with Brave; Leo AI Premium about $14.99/mo or $149.99/yrFree plan available; paid plans from about $4.99-$9.99 (confirm current tier names on pricing page)Free and open source (open-core: some features are paid); self-hosting, model or API costs may apply
Main categoryChat assistantsWritingResearch and notes
WebsiteVisit Brave LeoVisit HIX AIVisit Onyx
Info last checkedOctober 14, 2026October 14, 2026October 13, 2026

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