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Lucid vs Curbi

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

Lucid compared with Curbi
DetailLucid logo LucidCurbi logo Curbi
What it doesEvidence-based credibility checks for links, screenshots, videos, and questions Check AI agent replies against configured rules and verify signed records
StageStartup Not given
FoundedNot given Not given
Based inNot given Not given
Pricing modelFreemium Freemium
PricingFree: 2 credits to start, 1 credit per check, 1 credit back every 7 days. Unlimited: $9.99/month. Unlimited, yearly: $39.99/year. Credit pack: 5 credits for $1.99, 10 credits for $2.99, never expire. 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
  • Check links, screenshots, and videos for credibility
  • Evidence-based verdicts on four-word color scales
  • Named source listings with links for verification
  • Available on mobile apps and web beta
  • 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
  • Returns single-word verdicts instead of percentages or unclear ratings
  • Detects AI-generated content and acknowledges when detection is inconclusive
  • Share directly from any app without opening Lucid
  • All features available in free plan with limited credits
  • 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)6 −1 (down) since last checkNot checked yet no change since last check
Trust Flow (Majestic)70
Citation Flow (Majestic)180
Referring domains (Majestic)200

5 details filled in for both companies.

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