Project Title

promptfoo — AI Red Teaming and LLM Evaluation Tool

Overview

Promptfoo is a developer-friendly tool designed for testing and evaluating Large Language Models (LLMs). It enables users to test prompts, agents, and RAGs, and perform AI red teaming, pentesting, and vulnerability scanning for LLMs. The tool offers simple declarative configurations, command line integration, and CI/CD support, making it a comprehensive solution for comparing the performance of various LLMs.

Key Features

Automated evaluations of prompts and models
Red teaming and vulnerability scanning for LLM applications
Side-by-side comparison of different models from various providers
CI/CD integration for automated checks
Command line and web viewer interfaces for results

Use Cases

Developers and security professionals testing and comparing the performance of different LLMs
Teams looking to secure their LLM applications through vulnerability scanning and red teaming
Researchers and data scientists evaluating the effectiveness of various prompts and models

Advantages

Developer-first approach with features like live reload and caching
Private and secure, as it runs 100% locally without exposing prompts
Flexible, compatible with any LLM API or programming language
Battle-tested, powering LLM apps serving millions of users
Data-driven decision-making based on metrics

Limitations / Considerations

The tool may require a learning curve for new users unfamiliar with LLMs and their evaluation
The effectiveness of the tool depends on the quality and relevance of the prompts and models being tested

LangChain: A framework for building applications powered by LLMs, with a focus on modularity and composability.
GPT-Index: A tool for indexing and retrieving information from LLMs, emphasizing search capabilities.
These projects differ from Promptfoo in their focus areas, with LangChain emphasizing application building and GPT-Index focusing on information retrieval, while Promptfoo specializes in evaluation and security testing.

Basic Information

GitHub: https://github.com/promptfoo/promptfoo
Stars: 8,589
License: Unknown
Last Commit: 2025-10-03

📊 Project Information

Project Name: promptfoo
GitHub URL: https://github.com/promptfoo/promptfoo
Programming Language: TypeScript
⭐ Stars: 8,589
🍴 Forks: 719
📅 Created: 2023-04-28
🔄 Last Updated: 2025-10-03

🏷️ Project Topics

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📚 Documentation

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promptfoo

Project Description