Promptfoo vs Superagent

Side-by-side comparison of two AI agent tools

Short answer

  • Promptfoo is growing faster: +1,110 GitHub stars in the last 30 days vs +41 for Superagent.
  • Pick Promptfoo for: open-source CLI and library for evaluating and red-teaming prompts, agents, RAG systems, and LLM apps. Pick Superagent for: superagent protects your AI applications against prompt injections, data leaks, and harmful outputs.

From GitHub data refreshed daily.

Promptfooopen-source

Open-source CLI and library for evaluating and red-teaming prompts, agents, RAG systems, and LLM apps

Superagentopen-source

Superagent protects your AI applications against prompt injections, data leaks, and harmful outputs. Embed safety directly into your app and prove compliance to your customers.

Metrics

PromptfooSuperagent
Stars25.7k6.8k
Star velocity /mo1.1k41.36842105263158
Commits (90d)9208
Releases (6m)100
Downloads (30d, npm + PyPI)3.0M—
Overall score0.86393493627050320.35990158642254044

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
  • +Comprehensive AI security coverage with multiple protection layers including prompt injection detection, PII redaction, and repository scanning
  • +Production-ready SDK with dual language support (TypeScript and Python) and straightforward API integration
  • +Open-source with strong community backing (6,500+ GitHub stars) and Y Combinator validation

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
  • -Requires API key and external service dependency, potentially adding latency to AI application workflows
  • -Red team testing feature is still in development (marked as 'coming soon')
  • -May introduce additional complexity and cost considerations for high-volume AI applications

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
  • •Protecting customer-facing chatbots from prompt injection attacks that could expose system prompts or cause harmful outputs
  • •Sanitizing AI-processed documents and conversations to automatically redact sensitive information like SSNs, emails, and medical data for compliance
  • •Securing AI development pipelines by scanning code repositories for malicious instructions or AI agent poisoning attempts

FAQ

Which is more popular, Promptfoo or Superagent?
Promptfoo has more GitHub stars (25,665 vs 6,762).
Which is more actively developed, Promptfoo or Superagent?
Promptfoo had more commits in the last 90 days (920 vs 8).
Should I use Promptfoo or Superagent?
Compare their capabilities, limitations and "best for" notes above. Both are open source, so trying each on a small task is the fastest way to decide.