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Build secure AI applications with AI security testing integrated into your development workflow.

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Reviews onCapterra
49 reviews tracked

The Bottom Line

Entry price

From $50/mo (free plan available)

Biggest pro

LLM eval framework

Biggest con

Learning curve

TL;DR - Promptfoo

  • Integrates AI security testing into CI/CD and development workflows.
  • Automates context-aware attack generation and provides real-time threat intelligence.
  • Offers remediation guidance, continuous monitoring, and specialized solutions for regulated industries.
Pricing: Free plan available
Best for: Growing teams
4.8/5 across review platforms

What is Promptfoo?

Editorial review
Promptfoo is an AI security testing platform designed to help developers and enterprises build and deploy secure AI applications. It integrates directly into existing CI/CD pipelines and development workflows, offering comprehensive testing capabilities from integration to remediation. The platform allows users to create thousands of context-aware attacks tailored to their applications, leveraging real-time threat intelligence from a large community of users and deep automation to scale beyond human-curated tests. Promptfoo provides remediation guidance directly within pull requests and developer workflows, offering actionable steps and continuous monitoring to track fixes across teams. It caters to various teams, including CISOs, Security Directors, and Developers, by offering solutions for strategy, automation, speed, and enablement. The platform is trusted by major companies and offers specialized solutions for regulated industries like healthcare and financial services, addressing unique risks such as clinical accuracy, patient safety, market manipulation, and regulatory compliance. The product emphasizes open-source availability, enterprise-grade security, and zero vendor lock-in, allowing for self-hosted deployments to meet strict data residency and security requirements. It helps organizations proactively identify and mitigate vulnerabilities like hallucination, data leakage, and regulatory non-compliance before they impact production, ensuring AI applications are robust and trustworthy.

Available on: Web

Pros & Cons

Pros

  • LLM eval framework
  • Open source
  • Good for testing prompts
  • Active development
  • Good documentation

Cons

  • Learning curve
  • CLI focused
  • Newer tool
  • Limited features
  • Still maturing

Ratings Across the Web

4.8(49 reviews)

Ratings aggregated from independent review platforms. Learn more

Key Features

LLM testingPrompt evaluationRed teamingCI/CD integrationOpen sourceMultiple providers

Pricing Plans

Free Trial

Free

Free

Open source

  • Unlimited local evals
  • All features
  • Self-hosted
  • Community support

Cloud

$50/month

Teams

  • Cloud hosting
  • Team collaboration
  • History & sharing
  • Email support

Enterprise

null

Large scale

  • All Cloud features
  • SSO
  • SLA
  • Dedicated support

How Promptfoo's pricing compares

At $50/mo, Promptfoo is the most affordable of its 3 direct competitors.

Promptfoo
$50

Entry paid plan, monthly.

Reviews

4.8/5

Across 49 verified user reviews on Capterra

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Promptfoo FAQ

What is Promptfoo?

Promptfoo is an open-source tool for testing LLM prompts, comparing models, and catching regressions in AI applications.

Is Promptfoo free?

Yes, Promptfoo is open-source and free.

What can I test with Promptfoo?

Promptfoo tests prompt variations, compares models, runs evaluations, and helps prevent prompt regressions.

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