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ZeroGPT vs Curbi

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

ZeroGPT compared with Curbi
Detail ZeroGPTCurbi logo Curbi
What it doesFree AI-generated text detector for ChatGPT, GPT models, and other AI services Check AI agent replies against configured rules and verify signed records
StageNot given Not given
Founded2023 Not given
Based inNot given Not given
Pricing modelFree Freemium
PricingUnlimited free AI checks 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.
Key features
  • Readability score
  • API integration
  • Support for multiple AI models
  • Multi-language support
  • Revision suggestions
  • Split text tool
  • Instant results
  • 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
What makes it different
  • 99% accuracy rate based on analysis of 20M articles
  • Completely free with unlimited checks
  • Fast and instantaneous results
  • No data storage for privacy
  • 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
Community votes00
DR (Domain Rating by Ahrefs)38 no change since last checkNot checked yet no change since last check
Trust Flow (Majestic)80
Citation Flow (Majestic)300
Referring domains (Majestic)2610

5 details filled in for both companies.

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