Promptfoo
Open-source CLI and library for testing and evaluating LLM prompts.
Promptfoo is an open-source framework for evaluating, testing, and red-teaming LLM applications that helps AI developers systematically measure prompt quality, detect regressions, and identify safety vulnerabilities before deployment. It supports automated testing across multiple LLM providers simultaneously, comparison of different model versions, and adversarial probing for jailbreaks and harmful outputs. AI engineering teams use Promptfoo as their CI/CD layer for prompt engineering — ensuring that every change to prompts or models is rigorously evaluated before reaching production users.
Promptfoo is an AI-powered QA tool listed on Nextool.ai, a directory of 10,000+ AI tools. Promptfoo is free to use. Browse the QA category on Nextool.ai to compare similar tools, read reviews, and find the best fit for your workflow.
Promptfoo Pricing
Promptfoo is free to use.
Promptfoo Features
- LLM testing and evaluation framework
- Red teaming and adversarial testing
- Prompt injection testing
- Automated CI/CD testing
- Multiple provider support
- Open-source tool
What Can You Use Promptfoo For?
- Testing LLM application security
- Evaluating prompt robustness
- Red teaming AI applications
- Automated AI quality assurance
Frequently Asked Questions
What is Promptfoo?
Open-source CLI and library for testing and evaluating LLM prompts.
Is Promptfoo free?
Promptfoo is free to use.
What can I use Promptfoo for?
Promptfoo is an AI-powered tool in the QA category. Open-source CLI and library for testing and evaluating LLM prompts.
What are the best Promptfoo alternatives?
You can find the best Promptfoo alternatives on our Promptfoo alternatives page. Nextool.ai lists hundreds of QA tools so you can compare features and pricing side by side.
How do I get started with Promptfoo?
To try Promptfoo, visit the Promptfoo website. Promptfoo is free to use. You can also explore alternative QA tools on Nextool.ai to compare options before committing.
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