DeepKeep AI Firewall vs Promptfoo Guardrails: side-by-side comparison (2026)
DeepKeep AI Firewall is a commercial LLM guardrails solution by DeepKeep. Promptfoo Guardrails is a commercial LLM guardrails solution by Promptfoo. Features, integrations, deployment and the company behind each one, side by side.
Runtime protection firewall for AI systems and applications
Adaptive LLM guardrails that self-improve via red team feedback loops.
Side-by-side comparison
Feature
DeepKeep AI Firewall
Promptfoo Guardrails
Pricing model
Commercial
Commercial
Category
LLM Guardrails
LLM Guardrails
Deployment and fit
Deployment type
Hybrid
Hybrid
Company size fit
Mid-Market, Enterprise
Startup, SMB, Mid-Market, Enterprise
Company
Company
DeepKeep
Promptfoo
Use cases and capabilities
Policy
Yes
No
AI Firewall
Yes
Yes
LLM Guardrails
No
Yes
LLM Security
No
Yes
Prompt Injection
No
Yes
GenAI Security
No
Yes
Red Team
No
Yes
Generative AI
No
Yes
Continuous Testing
No
Yes
Adversarial ML
No
Yes
AI Governance
No
Yes
Core features
8 features listed
6 features listed
Need help choosing?
See more solutions in this category, or build a security stack from your picks.
