Compare Mistral Vibe (formerly Le Chat) vs HIX AI vs Onyx

Side-by-side comparison of Mistral Vibe (formerly Le Chat), HIX AI, Onyx
FeatureMistral Vibe (formerly Le Chat)HIX AIOnyx
DescriptionMistral Vibe (formerly Le Chat) is Mistral’s personal AI chat and coding agent for everyday questions, web search, and longer tasks. A free plan covers quick answers, and Pro unlocks higher limits so you stay in control of how you use the assistant.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 plan available; Pro about $14.99/mo; Team about $24.99/user/mo; student Pro discount noted; Enterprise contactFree 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 Mistral Vibe (formerly Le Chat)Visit HIX AIVisit Onyx
Info last checkedOctober 13, 2026October 14, 2026October 13, 2026

Loading selector…