Patronus AI vs TrojAI

Patronus AI provides an automated platform for evaluating and securing large language models (LLMs), enabling enterprise teams to score performance, generate adversarial test cases, benchmark models, detect hallucinations, PII leakage, and other failure modes across 50+ categories. Key differentiators include proprietary evaluator models like Lynx for hallucination detection outperforming GPT-4o, domain-specific benchmarks such as FinanceBench and EnterprisePII, and agent tracing for 15 error modes. Typical buyers are AI engineers and enterprises like Etsy, Pearson, AngelList in saas-technology and financial-services deploying production AI systems. Raised $20M total funding, with $17M Series A in 2024.

TrojAI is a Saint John, New Brunswick-based AI security company founded in 2019 by James Stewart and Stephen Goddard. The company provides an enterprise AI security platform with two core products: TrojAI Detect (pre-deployment model red teaming and vulnerability assessment) and TrojAI Defend (runtime AI firewall for AI applications and agents). In 2025, TrojAI extended Defend to cover MCP (Model Context Protocol) server governance, providing visibility and policy enforcement for agentic AI workflows. TrojAI serves primarily large enterprise customers in financial services and technology, helping them align with NIST, OWASP, MITRE ATLAS, and CSA frameworks. The company participated in Google's 2023 accelerator program for Canadian startups and was listed on the Vector Institute's '20 Canadian AI Startups to Watch.' TrojAI raised $5.75M in seed capital in April 2024 and maintains offices in Saint John, Fredericton, and Boston.