promptfoo vs ragas

Side-by-side comparison of two AI agent tools

promptfooopen-source

Test your prompts, agents, and RAGs. Red teaming/pentesting/vulnerability scanning for AI. Compare performance of GPT, Claude, Gemini, Llama, and more. Simple declarative configs with command line and

ragasopen-source

Supercharge Your LLM Application Evaluations 🚀

Metrics

promptfooragas
Stars18.6k13.1k
Star velocity /mo1.6k1.1k
Commits (90d)
Releases (6m)108
Overall score0.72810760184782920.6027713470286904

Pros

  • +Comprehensive testing suite covering both performance evaluation and security red teaming in a single tool
  • +Multi-provider support with easy comparison between OpenAI, Anthropic, Claude, Gemini, Llama and dozens of other models
  • +Strong CI/CD integration with automated pull request scanning and code review capabilities for production deployments
  • +提供客观的LLM应用评估指标,结合智能LLM评估和传统指标,确保评估结果的准确性和可靠性
  • +自动生成综合测试数据集功能,覆盖广泛应用场景,解决测试数据不足的问题
  • +与LangChain等主流框架深度集成,支持生产环境反馈循环,便于持续优化

Cons

  • -Requires API keys and credits for multiple LLM providers, which can become expensive for extensive testing
  • -Command-line focused interface may have a learning curve for teams preferring GUI-based tools
  • -Limited to evaluation and testing - does not provide actual LLM application development capabilities
  • -主要依赖Python生态系统,对其他编程语言的支持有限
  • -作为相对新兴的工具,社区生态和最佳实践仍在发展中
  • -LLM基础评估可能增加计算成本和延迟

Use Cases

  • Automated testing and evaluation of prompt performance across different models before production deployment
  • Security vulnerability scanning and red teaming of LLM applications to identify potential risks and compliance issues
  • Systematic comparison of model performance and cost-effectiveness to optimize AI application architecture
  • RAG系统性能评估:评估检索质量、答案准确性和相关性指标
  • 聊天机器人质量监控:自动评估对话质量、一致性和用户满意度
  • LLM应用A/B测试:对比不同模型版本或提示策略的性能差异