Promptfoo
Build Secure AI Applications - Automated testing that finds & fixes AI risk in development
About Promptfoo
Promptfoo is a comprehensive AI security and testing platform designed to help developers and organizations build secure, reliable AI applications. The platform provides automated testing capabilities that proactively identify and fix vulnerabilities in AI applications during the development process, ensuring that teams can ship agents and production-ready AI systems without security risks. Promptfoo offers a suite of products focused on different aspects of AI security and quality assurance. Their Red Teaming product helps proactively identify and fix vulnerabilities in AI applications before deployment. The Guardrails feature provides real-time protection against jailbreaks and adversarial attacks, ensuring AI systems remain secure during operation. The Model Security component offers comprehensive security testing and monitoring for AI models, while the MCP Proxy provides a secure proxy for Model Context Protocol communications. The platform also includes robust Evaluations capabilities for testing and evaluating prompts, models, and RAG (Retrieval-Augmented Generation) pipelines. Trusted by major enterprises including top 5 global retailers, top 3 U.S. wireless carriers, top 3 global strategy consultancies, public legal and tax providers, top 5 U.S. healthcare companies, nationwide 5G network operators, top foundation model labs, top 3 U.K. insurance providers, global ERP leaders, and top 3 travel sites, Promptfoo has established itself as a critical tool in the AI development ecosystem. The platform is available both as an open-source project with 9k+ stars and as a commercial enterprise solution. By integrating security testing directly into the development workflow, Promptfoo enables teams to catch vulnerabilities early, implement guardrails against malicious inputs, and ensure their AI applications meet security standards before production deployment. The platform addresses the growing need for AI security as organizations increasingly deploy AI agents and LLM-powered applications in customer-facing and business-critical contexts.
⚖️ Pros & Cons
👍 Pros
- ✓ Comprehensive security testing suite covering multiple AI vulnerability vectors
- ✓ Trusted by major enterprises across retail, telecom, healthcare, and consulting
- ✓ Available as both open-source and enterprise solutions
- ✓ Integrates directly into development workflow for early vulnerability detection
- ✓ Real-time protection capabilities with guardrails against attacks
👎 Cons
- ✗ May require technical expertise to fully utilize all features
- ✗ Enterprise pricing not publicly disclosed
- ✗ Learning curve for teams new to AI security testing
🎥 Video Reviews
🎯 Who Should Use This Tool
AI developers, ML engineers, security teams, enterprises deploying LLM applications, AI product teams, DevOps engineers working with AI systems, organizations in regulated industries (healthcare, finance, legal), and companies building customer-facing AI agents
💰 Pricing Information
Promptfoo offers an open-source version available for free on GitHub with 9k+ stars. Enterprise pricing is available through custom quotes and requires booking a demo. The platform offers both self-hosted open-source options and managed cloud solutions for enterprise customers.
📊 Performance Metrics
🔒 Security & Privacy
Enterprise-grade security testing platform designed specifically for AI security. Provides comprehensive vulnerability scanning, adversarial attack protection, and real-time guardrails. Trusted by Fortune 500 companies in regulated industries including healthcare, finance, and legal sectors. Offers both cloud-hosted and self-hosted deployment options for enhanced data privacy and control.
🔄 Alternatives
Giskard
Arthur AI
Robust Intelligence
Validmind
WhyLabs
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