Curbi vs IsThisImageAI

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

Curbi compared with IsThisImageAI
Detail	Curbi	IsThisImageAI
What it does	Check AI agent replies against configured rules and verify signed records	Free AI Image Detector
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Freemium	Freemium
Pricing	Free: local open-source checker, browser policy checks, six read-only MCP tools, regression export and offline verification. Managed Check API: $1 per 1,000 checked replies, USD, monthly usage billing through Stripe.	Free: 20 images per month, no login, verdict and confidence score, 1 key reason. Pro: $3.99/month for 150 images per month with batch checking, all reasons, and heatmap. Max: $9.99/month for 1,000 images per month with everything in Pro plus report export. API: $29.99/month for 12,000 API calls per
Key features	Check agent replies against configured pricing, forbidden phrases, and action records Policy Check tool with browser interface for testing rules Model Context Protocol endpoint for Claude, ChatGPT and other MCP clients Offline verification with signed records and Merkle proofs Repair Lab for reproducing and fixing integration failures Managed Check API with pricing transparency MIT-licensed open-source local checker Framework connectors for LangChain and Vercel AI SDK MCP Chaos proxy for testing agent behavior	Verdict and confidence score Region heatmap showing AI-generated areas Plain-English explanations of detection results Batch checking for multiple images No sign-up required for free checks Files deleted after analysis Support for JPG, PNG, WebP, and HEIC formats API access for developers
What makes it different	Verifiable AI agent compliance without authorization or permission granting Evidence and records portable across platforms and models Transparent per-reply pricing with clear usage examples Open-source core with portable verification	Free AI detection without requiring account creation or email Visual heatmap pinpointing exact regions that appear AI-generated Plain-English reasons explaining detection instead of just a yes or no
Community votes	0	0
DR (Domain Rating by Ahrefs)	Not checked yet no change since last check	Not checked yet no change since last check
Trust Flow (Majestic)	0	0
Citation Flow (Majestic)	0	0
Referring domains (Majestic)	0	0

5 details filled in for both companies.

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