CustomGPT.ai vs SellTo.us

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

CustomGPT.ai compared with SellTo.us
Detail	CustomGPT.ai	SellTo.us
What it does	Create custom AI agents trained on your business content without coding	AI-simulated audience testing for startup ideas, apps, products and ads
Stage	Not given	Not given
Founded	2023	Not given
Based in	US	Not given
Pricing model	Freemium	Freemium
Pricing	Standard: $99/month ($89/month billed annually) with 10 agents, 5,000 documents per agent, 60M words storage, 1,000 queries per month. Premium: $499/month ($449/month billed annually) with 25 agents, 20,000 documents per agent, 300M words storage, 5,000 queries per month. Enterprise: Custom pricing.	Idea Snapshot: Free (100 participants). Quick Check: $19 USD one-time (1,000 participants). Pick the Winner: $49 USD one-time (10,000 participants). Launch Plan: $149 USD one-time (100,000 participants).
Key features	No-code AI agent builder with 2-minute setup Anti-hallucination technology for accurate responses Real-time integrations with Google Drive, HubSpot, Notion, Zendesk Multi-language support for 92 languages Embed chatbot widgets on websites API access for workflow automation and integrations SOC 2 Type 2 and GDPR compliance Turn-by-turn conversation memory and context White-label and custom branding options	Test ideas on up to 100,000 AI-simulated participants Compare up to 5 versions and 5 images Results by city for launch planning Ad targeting guide with platform-specific instructions Customizable audience groups with up to 10 demographics Validation experiments and next-step checklist Detailed PDF reports with decision briefs Re-test improved versions on same simulated crowd Photo testing and image voting Free invite rewards: get free Quick Check when friends make first purchase
What makes it different	#1 in accuracy and anti-hallucinations Zero coding required for non-technical users Never trains or shares your data Deployed by thousands of businesses worldwide Launch in 2 streamlined steps	Structured AI testing unlike chatbots: fixed crowd of individual profiles for your audience, every one answers each version, results counted by code No subscription: one-time purchases that don't expire while account is open Free first test with 100 AI-simulated participants Results by audience group, not just aggregate numbers Complete transparency: every number labeled as simulated, methodology fully explained
Community votes	0	0
DR (Domain Rating by Ahrefs)	74 no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	33	1
Citation Flow (Majestic)	38	17
Referring domains (Majestic)	2392	4

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