SpacePrompts vs CustomGPT.ai

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

SpacePrompts compared with CustomGPT.ai
Detail	SpacePrompts	CustomGPT.ai
What it does	AI prompt manager for organizing and syncing prompts across ChatGPT, Claude, and other AI platforms	Create custom AI agents trained on your business content without coding
Stage	Not given	Not given
Founded	Not given	2023
Based in	Not given	US
Pricing model	Freemium	Freemium
Pricing	Free: $0/month with up to 50 prompts, 3 free AI enhancements/day, 3 free generations/day, 3 Playground runs/day; Pro: $5/month ($60 billed annually) with unlimited prompts, 300 enhancements/month, 300 generations/month, 300 Playground runs/month, API access; Team: $9/month ($108 billed annually) wit	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.
Key features	Store and organize prompts with categories and tags Version history and rollback AI prompt enhancement and generation Playground with free model runs Browser extension for Chrome, Edge, Firefox REST API access to pull prompts Upload reference images to prompts Export to JSON or Excel Role-based team permissions Public prompt sharing	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
What makes it different	Works across multiple AI platforms in one unified library Built for speed and retrieval, not just storage Complete version control to track which prompt version works best Automatic prompt enhancement with specific scoring and fixes Free tier that stays free with no credit card required	#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
Community votes	0	0
DR (Domain Rating by Ahrefs)	39 no change since last check	74 no change since last check
Trust Flow (Majestic)	6	33
Citation Flow (Majestic)	26	38
Referring domains (Majestic)	74	2392

5 details filled in for both companies.

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