SparkGPT vs Rubii

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

SparkGPT compared with Rubii
Detail	SparkGPT	Rubii
What it does	AI sales agent that turns website visitors into buyers	Free AI character chat, roleplay and interactive stories
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free Plan: $0 forever. Build and test one agent with unlimited testing, no credit card required. Growth Plan: $49/month plus 5% of attributed sales, with unlimited conversations and full ROI dashboard. Done For You: custom pricing.	Free plan available. Plus: $7.99/month (800 Rubies, about 1,600 messages and 400 images). Pro: $14.99/month (3,000 Rubies, about 6,000 messages and 1,500 images). Premium: $29.99/month (6,600 Rubies, about 13,000 messages and 3,300 images).
Key features	Paste website URL and agent is built automatically from site content Claude-powered AI with intelligent model routing Product recommendation engine Sales attribution tracking with 24-hour window ROI dashboard showing every attributed sale Single line of code deployment Works with Shopify, WordPress, and custom sites Unlimited conversations on Growth plan Prepaid credit billing model Built for small and mid-sized online businesses	Long character memory that persists across conversations Character creation with detailed settings Browse community-created characters Cross-platform access on web and mobile Memory editing and boost features with Rubii+
What makes it different	Outcome-based pricing tied to attributed sales, not conversation volume No credit card required to build and test for free forever No technical setup required; built from your existing website content Transparent ROI with every attributed sale visible and inspectable Built on Anthropic's Claude for stronger reasoning and sales capability	Long-form story-driven chat built for novel-length conversations, not one-line replies Persistent character memory that recalls details across weeks of chats Complete creator toolkit combining character design, image generation and video in one workflow Multiple AI model options for different writing styles Active community where creators can share and earn
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	42 −1 (down) since last check	39 +1 (up) since last check
Trust Flow (Majestic)	9	27
Citation Flow (Majestic)	19	32
Referring domains (Majestic)	28	293

5 details filled in for both companies.

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