promptfoo — LLM Plugin by promptfoo

by promptfoo · LLM Plugin · ★ 23.4k

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About promptfoo

Promptfoo: LLM evals & red teaming promptfoo is a CLI and library for evaluating and red-teaming LLM apps. Stop the trial-and-error approach - start shipping secure, reliable AI apps. Website · Getting Started · Red Teaming · Documentation · Discord Update (March 16, 2026): Promptfoo has joined OpenAI. Promptfoo remains open source and MIT licensed. Read the [company update](https://www.promptfoo.dev/

cici-cdcicdevaluationevaluation-frameworkllmllm-evalllm-evaluationllm-evaluation-frameworkllmops

Quick Facts

Stars23,439
Forks2,098
LanguageTypeScript
CategoryLLM Plugin
LicenseMIT
Quality Score67.4141316700621/100
Open Issues428
Last Updated2026-07-20
Created2023-04-28
Platformsclaude-code, gemini, node
Est. Tokens~15k

Compatible Skills

These tools work well together with promptfoo for enhanced workflows:

  • lmnr — semantic(0.18)+complementary+rare_topics+same_lang+similar_pop+shared_platform (65%)
  • agentuse — semantic(0.22)+complementary+shared_fw(anthropic,openai)+same_lang+shared_platform (64%)
  • eval-view — semantic(0.22)+complementary+shared_fw(anthropic,openai)+rare_topics (53%)

promptfoo alternative? Top 6 similar tools

Looking for a promptfoo alternative? If you're comparing promptfoo with other llm plugin tools, these 6 projects are the closest alternatives on Agent Skills Hub — ranked by topic overlap, star count, and community traction.

  • phoenix by Arize-ai · ⭐ 10.6k

    AI Observability & Evaluation

  • headroom by chopratejas · ⭐ 44.4k

    Compress tool outputs, logs, files, and RAG chunks before they reach the LLM. 60-95% fewer tokens, same answer

  • prompt-optimizer by linshenkx · ⭐ 32.3k

    An AI prompt optimizer for writing better prompts and getting better AI results.

  • ChatGPT-Shortcut by rockbenben · ⭐ 8.6k

    🚀💪Maximize your efficiency and productivity. The ultimate hub to manage, customize, and share prompts. (Engl

  • Kiln by Kiln-AI · ⭐ 5.0k

    Build, Evaluate, and Optimize AI Systems. Includes evals, RAG, agents, fine-tuning, synthetic data generation,

  • ragflow by infiniflow · ⭐ 79.0k

    RAGFlow is a leading open-source Retrieval-Augmented Generation (RAG) engine that fuses cutting-edge RAG with

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Frequently Asked Questions

What is promptfoo?

promptfoo is Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, DeepSeek, and more. Simple declarative configs with command line . It is categorized as a LLM Plugin with 23.4k GitHub stars.

What programming language is promptfoo written in?

promptfoo is primarily written in TypeScript. It covers topics such as ci, ci-cd, cicd.

How do I install or use promptfoo?

You can find installation instructions and usage details in the promptfoo GitHub repository at github.com/promptfoo/promptfoo. The project has 23.4k stars and 2098 forks, indicating an active community.

What license does promptfoo use?

promptfoo is released under the MIT license, making it free to use and modify according to the license terms.

What are the best alternatives to promptfoo?

The top alternatives to promptfoo on Agent Skills Hub include phoenix, headroom, prompt-optimizer. Each offers a different approach to the same problem space — compare them side-by-side by stars, quality score, and community activity.

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