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Humanbound vs Rystic

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

Humanbound compared with Rystic
DetailHumanbound logo HumanboundRystic logo Rystic
What it doesSecure AI agents, with evidence Realistic API simulators for training and testing
StageNot given Not given
FoundedNot given Not given
Based inGR US
Pricing modelFreemium Freemium
PricingCommunity: €0 (open source, 1x monthly testing volume, weekly monitoring, 3 seats, 30-day data retention). Team: €349/mo (20x monthly testing volume, 10 seats, 90-day data retention, webhooks, priority support). Enterprise: Custom pricing (contact for details). Free: $0 with GitHub, Linear and Slack simulators, 10 free hours per month. Pro: $89.99 per seat per month with full catalog, $100 usage credit per seat, $0.012 per simulator-minute after credit. Enterprise: custom pricing.
Key features
  • Automated adversarial testing with multi-turn and agentic attack chains
  • Black-box testing without SDK installation or agent modification
  • Four-tier Humanbound Firewall with LLM judge
  • Continuous posture score from 0 to 100
  • Framework mapping to EU AI Act, NIST AI RMF, OWASP LLM Top 10, OWASP Agentic AI Top 10
  • Air-gapped testing with self-hosted models like Ollama
  • Export compliance evidence in HTML, PDF, JSON, SARIF, CEF formats
  • Webhook integration with SIEM and ticketing systems
  • Apache-2.0 open source CLI, testing engine, and SDK
  • Baseline campaign completion in hours
  • Slack simulator
  • GitHub simulator
  • Stripe simulator
  • Kalshi simulator
  • Verified against live APIs
  • Latency and fault injection
  • Settable state
  • Local and CI execution
  • Verified UIs
What makes it different
  • Continuous monitoring instead of point-in-time reports
  • Adaptive multi-turn attack chains that evolve over time
  • Same open-source code as platform with nothing held back or limited
  • No account required for local open-source testing
  • Framework mapping and compliance evidence for regulatory requirements
  • Validated against real APIs daily with published accuracy percentages
  • Stateful simulators that maintain state across calls
  • Local execution with no rate limits
  • Supports 20+ API integrations including Stripe, GitHub and Slack
Community votes00
DR (Domain Rating by Ahrefs)14 +1 (up) since last check3 +1 (up) since last check
Trust Flow (Majestic)813
Citation Flow (Majestic)3030
Referring domains (Majestic)7141

6 details filled in for both companies.

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