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Curbi vs DetectGPT

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 DetectGPT
DetailCurbi logo CurbiDetectGPT logo DetectGPT
What it doesCheck AI agent replies against configured rules and verify signed records Check if your content is flagged as AI-generated with high accuracy detection trained on billions of words
StageNot given Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: 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. Essential: $15/mo (50,000 words per month, 1 user seat); Pro: $29/mo (250,000 words per month, 3 team members); Team: $59/mo (500,000 words per month, unlimited team members)
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
  • AI detection with 95% accuracy
  • Plagiarism detection
  • Fact checking
  • Readability scoring
  • AI content humanizer
  • Original content certification
  • PDF report generation
  • Available in 50+ languages
  • AI detection API for integration
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
  • 99% accuracy in content analysis
  • Human-written content certificates to prove authenticity
  • Integrated plagiarism, fact-checking, and readability tools
  • Free trial with 3,000 words at no credit card required
  • Easy-to-use API for third-party integration
Community votes00
DR (Domain Rating by Ahrefs)Not checked yet no change since last check26 no change since last check
Trust Flow (Majestic)011
Citation Flow (Majestic)017
Referring domains (Majestic)0133

5 details filled in for both companies.

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