Promptfoo Guardrails vs Trustwise Harmony AI: side-by-side comparison (2026)
Promptfoo Guardrails is a commercial LLM guardrails solution by Promptfoo. Trustwise Harmony AI is a commercial agentic AI security solution by Trustwise. Features, integrations, deployment and the company behind each one, side by side.
Adaptive LLM guardrails that self-improve via red team feedback loops.
Runtime AI trust & security platform for governing agentic AI systems.
Side-by-side comparison
Feature
Promptfoo Guardrails
Trustwise Harmony AI
Pricing model
Commercial
Commercial
Category
LLM Guardrails
Agentic AI Security
Deployment and fit
Deployment type
Hybrid
Hybrid
Company size fit
Startup, SMB, Mid-Market, Enterprise
Enterprise
Company
Company
Promptfoo
Trustwise
Use cases and capabilities
LLM Guardrails
Yes
No
LLM Security
Yes
No
AI Firewall
Yes
No
Prompt Injection
Yes
No
GenAI Security
Yes
No
Red Team
Yes
No
Generative AI
Yes
Yes
Continuous Testing
Yes
No
Adversarial ML
Yes
No
AI Governance
Yes
No
Policy
No
Yes
MLSecOps
No
Yes
Core features
6 features listed
10 features listed
Integrations
No integrations listed
13 integrations listed
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