AIAI Governance StackFree kit

TrojAI vs Vijil

Both compete in Red-Teaming & AI Security. TrojAI positions itself as “Enterprise AI security combining automated red teaming with real-time application protection”, while Vijilleads with “Trust infrastructure to make enterprise AI agents secure, reliable, and resilient”. The table below compares what each publishes.

Where TrojAI pulls ahead

Enterprises wanting combined pre-deployment red teaming and runtime AI application protection

Where Vijil pulls ahead

Teams building enterprise AI agents that need lifecycle testing, hardening, and trust evidence

PositioningEnterprise AI security combining automated red teaming with real-time application protectionTrust infrastructure to make enterprise AI agents secure, reliable, and resilient
CategoryRed-Teaming & AI SecurityRed-Teaming & AI Security
FrameworksNone publishedNone published
DeploymentSaaS, Cloud, APISaaS, API
Built forSecurity, Data Science / ML, RiskSecurity, Data Science / ML, Risk
Founded20202023
HeadquartersSaint John, New Brunswick, Canada (with Boston office)California, USA
OwnershipAcquired by A10 Networks (2026)Private (VC-backed)
Funding~$11.4M total; $5.75M seed in April 2024 led by Flying Fish Partners$23M total; $17M round in November 2025 led by Brightmind Partners with Mayfield and Gradient Ventures, following a $6M seed in 2024
PricingNot publishedNot published
Key capabilities
  • Automated model red teaming (TrojAI Detect)
  • Real-time AI firewall (TrojAI Defend)
  • Prompt injection and data leakage protection
  • Model poisoning defense
  • Vulnerability remediation
  • Agent security and reliability testing
  • Pre-deployment evaluation
  • Runtime protection
  • Trust scoring
  • Continuous monitoring
  • Risk remediation
IntegrationsNot publishedNot published
Notable customersNone publishedSmartRecruiters
Best forEnterprises wanting combined pre-deployment red teaming and runtime AI application protectionTeams building enterprise AI agents that need lifecycle testing, hardening, and trust evidence
LimitationsNow part of A10 Networks, so future roadmap is tied to the acquirer; standalone framework/compliance mapping is limited publicly.Early-stage vendor; detailed framework mappings and integration list are not extensively documented publicly.

Which should you shortlist?

Choose TrojAI if enterprises wanting combined pre-deployment red teaming and runtime AI application protection

Choose Vijil if teams building enterprise AI agents that need lifecycle testing, hardening, and trust evidence

Neither is a substitute for a governance program. Whichever you pick, you still need people who can define the policies the tool enforces.

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