Compare Gemini Pro vs HubSpot Campaign Assistant vs Onyx

Side-by-side comparison of Gemini Pro, HubSpot Campaign Assistant, Onyx
FeatureGemini ProHubSpot Campaign AssistantOnyx
DescriptionGoogle's advanced AI modelHubSpot Campaign Assistant is a free AI helper that drafts landing-page, email, and ad copy for a campaign you already planned. It is useful when you want quick first drafts that stay inside HubSpot’s free marketing toolkit.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).
PricingPay-per-useFree to use; optional HubSpot Marketing Hub paid plans for broader automationFree and open source (open-core: some features are paid); self-hosting, model or API costs may apply
Main categoryChat assistantsMarketingResearch and notes
WebsiteVisit Gemini ProVisit HubSpot Campaign AssistantVisit Onyx
Info last checkedOctober 12, 2026October 12, 2026October 13, 2026

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