Promptfoo

Open-source evaluation and red teaming for prompts, agents, and RAG systems

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PricingFreemium
Starting priceContact sales
Free planYes
Free trialYes
APIYes
Open sourceYes
DeploymentHybrid
Last verifiedAugust 3, 2026
Overview

Tool overview

Promptfoo is listed under AI Governance Safety & Evaluation AI tools.

Summary

What is Promptfoo?

Promptfoo tests prompts, models, RAG systems, and agents through declarative evaluations, assertions, red teaming, vulnerability scanning, CI/CD workflows, and provider integrations. The MIT-licensed Community edition runs locally, while Enterprise adds managed cloud, monitoring, APIs, collaboration, and on-premises deployment.

Best fit

Best for

AI developers and security teams testing prompts, agents, and RAG systems

Audience

Who is it for?

AI application developersApplication security teamsEvaluation engineersEnterprise governance teams
Recommendation

Decision note

Best for developers and security teams that need repeatable, code-friendly evaluation and adversarial testing across many models and application architectures.

Capabilities

Key features

Declarative prompt, RAG, and agent evaluations

Automated red teaming and vulnerability scanning

Broad provider and CI/CD integrations

Local open-source, managed cloud, and on-premises editions

Workflows

Use cases

Regression-test prompts and agents

Red-team AI applications before release

Compare models and provider behavior

Automate security evaluations in CI/CD

Strengths

Pros

  • Community edition is free forever
  • Open-source code uses the MIT License
  • Supports local and self-hosted testing
Considerations

Limitations

Generated tests and scan findings can miss context-specific risks or produce false positives. Teams must review results, test realistic targets, secure provider credentials, and maintain independent security and compliance processes.

Cost

Pricing details

Pricing modelFreemium
Starting priceContact sales
Free planYes
Free trialYes
Pricing context

Billing options

Free Community editionCustom EnterpriseCustom Enterprise On-Premise
Pricing context

Pricing note

Community is free forever and includes core evaluation plus up to 10,000 red-team probes per month. Enterprise and Enterprise On-Premise use custom pricing for collaboration, monitoring, API access, support, SLAs, managed cloud, and isolated deployment.

View official pricing
Compatibility

Supported languages

  • English
Connectivity

Integrations

OpenAI

Anthropic

Azure OpenAI

Google models

Hugging Face

Ollama

CI/CD systems

Specs

Technical details

PlatformsWeb
Multilingual supportDepends on configured prompts and models
Login requiredNo
Open sourceYes
LicenseMIT License
DeploymentHybrid
CompanyPromptfoo, part of OpenAI
Current versionCLI/library releases update over time; verify docs or GitHub.
Models / versionsSupports many model providers and custom APIs not tied to one model version.
Editions / plansCommunity Enterprise Enterprise On-Premise
Data confidenceHigh
Last verifiedAugust 3, 2026
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Answers

Frequently asked questions

Promptfoo tests prompts, models, RAG systems, and agents through declarative evaluations, assertions, red teaming, vulnerability scanning, CI/CD workflows, and provider integrations. The MIT-licensed Community edition runs locally, while Enterprise adds managed cloud, monitoring, APIs, collaboration, and on-premises deployment.
AI developers and security teams testing prompts, agents, and RAG systems
The listed pricing model for Promptfoo is freemium. Pricing can change, so users should verify the latest plan details on the official website.
Yes. The current profile indicates that a free trial is available.
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