Compare HuggingChat vs Frase vs Onyx

Side-by-side comparison of HuggingChat, Frase, Onyx
FeatureHuggingChatFraseOnyx
DescriptionHuggingChat is Hugging Face’s free chat interface for trying open models in the browser. It is a simple way to explore community models for questions and drafting without locking into a single closed assistant.Frase helps content teams research topics, build briefs, draft with their brand voice, and optimize pages for search and AI answers. Writers stay in charge of the story while the AI handles research and scoring.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 to use via Hugging Face chat (subject to Hugging Face account and fair-use limits)7-day free trial; Starter $39/mo yearly ($49 monthly); Professional $103/mo yearly ($129 monthly); Scale $239/mo yearly ($299 monthly)Free and open source (open-core: some features are paid); self-hosting, model or API costs may apply
Main categoryChat assistantsMarketingResearch and notes
WebsiteVisit HuggingChatVisit FraseVisit Onyx
Info last checkedOctober 13, 2026October 17, 2026October 13, 2026

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