Promptfoo
Open-source framework for evaluating and securing large language models.
Pricing
See website
Flat rate
Adoption
→StableLicense
Open Source
Data freshness
—Overview
What is Promptfoo?
Promptfoo is an open-source tool designed to evaluate and secure large language models by testing prompts, models, agents, and RAG pipelines. It includes adversarial attacks like jailbreaks and prompt injection, making it essential for integrating security into CI/CD processes.
Key differentiator
“Promptfoo stands out as an open-source tool specifically designed to evaluate and secure large language models through adversarial attacks, making it unique among general-purpose AI testing tools.”
Capability profile
Strength Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
Fit analysis
Who is it for?
✓ Best for
Teams needing to evaluate large language models for security vulnerabilities
Organizations integrating AI into CI/CD processes who require robust testing frameworks
Developers looking to enhance their model's resilience against adversarial attacks
✕ Not a fit for
Projects that do not involve the evaluation or deployment of large language models
Teams without a need for continuous security testing in their development lifecycle
Cost structure
Pricing
Free Tier
None
Starts at
See website
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Next step
Get Started with Promptfoo
Step-by-step setup guide with code examples and common gotchas.