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

From $50/mo (free plan available)Visit Website
Tracked since 2026

The Bottom Line

Price
From $50/mo (free plan available). Compare plans

Key facts

  • 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.

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

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

Key Features

  • LLM testing
  • Prompt evaluation
  • Red teaming
  • CI/CD integration
  • Open source
  • Multiple providers

Pricing Plans

Free Trial

Pricing checked Oct 2, 2026

Promptfoo plans and prices, checked October 2026
PlanPriceDetails
Free

$0

Open source

  • Unlimited local evals
  • All features
  • Self-hosted
+1 more
  • Community support
Cloud

$50/month

Teams

  • Cloud hosting
  • Team collaboration
  • History & sharing
+1 more
  • Email support
Enterprise

Custom

Large scale

  • All Cloud features
  • SSO
  • SLA
+1 more
  • Dedicated support

Is Promptfoo worth the price?

Great value

The pricing for Promptfoo is very generous, especially with a robust free tier offering unlimited local evals and all features.

The Cloud tier at $50/month for team collaboration and cloud hosting is competitive. This pricing structure is best for individual developers and small to medium-sized teams focused on AI security testing.

Hidden Costs & Gotchas

No public overage pricing for Cloud

Full Promptfoo pricing: every plan, hidden costs and alternatives

How Promptfoo's pricing compares

At $50/mo, billing unit not specified, Promptfoo is the most affordable of its 3 comparable direct competitors.

Promptfoo
$50

Entry paid plan, monthly. Pricing checked Oct 2, 2026.

Reviews

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Promptfoo FAQ

How does Promptfoo help ensure the security of AI applications?

Promptfoo integrates AI security testing directly into development workflows and CI/CD pipelines, enabling users to create context-aware attacks to identify vulnerabilities. It provides remediation guidance within pull requests and continuously monitors fixes across teams. This helps proactively mitigate issues like hallucination and data leakage before deployment.

Which teams benefit most from using Promptfoo?

Promptfoo is designed for CISOs, Security Directors, and Developers, offering solutions for strategy, automation, speed, and enablement. It helps these teams build and deploy secure AI applications, particularly in regulated industries like healthcare and financial services.

How is Promptfoo priced?

Promptfoo is available on a free tier, which allows users to get started with its core functionalities. Paid plans are offered for those requiring more extensive usage and additional features.

What kind of limitations should users be aware of with Promptfoo?

Promptfoo is a newer tool that is still maturing, which means it currently has limited features compared to more established platforms. Users may also experience a learning curve due to its CLI-focused nature.

Can Promptfoo be integrated into existing development processes?

Yes, Promptfoo is designed to integrate directly into existing CI/CD pipelines and development workflows. It offers comprehensive testing capabilities from integration to remediation, streamlining the process of securing AI applications.

How does Promptfoo compare to LangSmith for AI application development?

Promptfoo focuses on AI security testing, providing an LLM evaluation framework and tools to identify vulnerabilities like hallucination and data leakage. LangSmith, while also supporting AI development, has a different primary focus for its feature set.

Does Promptfoo support self-hosted deployments?

Yes, Promptfoo offers open-source availability and supports self-hosted deployments. This feature allows organizations to meet strict data residency and security requirements, ensuring zero vendor lock-in.

Guides & Articles