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ZeroGPT vs COLVO

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 COLVO
Detail ZeroGPTCOLVO logo COLVO
What it doesFree AI-generated text detector for ChatGPT, GPT models, and other AI services Test and guard AI agents with outcome verification, not reply verification
StageNot given Not given
Founded2023 Not given
Based inNot given IT
Pricing modelFree Freemium
PricingUnlimited free AI checks Free: €0/month with 100 test runs per month; Test: €19/month with 2,000 runs per month; Guard: €99/month with unlimited runs plus live guard features. AI usage is metered separately at cost.
Key features
  • Readability score
  • API integration
  • Support for multiple AI models
  • Multi-language support
  • Revision suggestions
  • Split text tool
  • Instant results
  • Isolated sandbox with fresh fake accounts for testing
  • 88 scenario templates for refunds, cancellations, pauses and plan changes
  • CI gate and CLI with dependency-free deployment
  • Policy gate with ALLOW/REVIEW/HOLD/DENY decisions
  • Human approval for risky actions
  • Independent verification of outcome against ground-truth state
  • Guardrails with prompt injection and PII detection
  • Per-end-user spending caps in rolling windows
  • Append-only evidence log with JSON, CSV and PDF export
  • GitHub Action integration for automated testing
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
  • Deterministic verdicts from explicit state checks, not language model decisions
  • No-cost deterministic testing; AI features are optional and separately metered
  • Integrated sandbox testing and production guarding in one platform
  • Idempotent and exactly-once action execution with retry safety
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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