Keywords AI

Portkey vs Promptfoo

Compare Portkey and Promptfoo side by side. Both are tools in the Observability, Prompts & Evals category.

Quick Comparison

Portkey
Portkey
Promptfoo
Promptfoo
CategoryObservability, Prompts & EvalsObservability, Prompts & Evals
Websiteportkey.aipromptfoo.dev

About Portkey

Portkey provides LLM observability alongside its gateway capabilities, offering detailed logging, metrics, and tracing for LLM API calls. Teams can monitor latency, costs, token usage, and error rates across providers, with request-level debugging and analytics dashboards for production AI applications.

About Promptfoo

Promptfoo is an open-source tool for testing and evaluating LLM prompts. It lets developers define test cases, run them against multiple models, compare outputs side-by-side, and catch regressions before deployment. Supports custom scoring functions, red-teaming, and CI/CD integration for automated prompt testing.

What is Observability, Prompts & Evals?

Tools for monitoring LLM applications in production, managing and versioning prompts, and evaluating model outputs. Includes tracing, logging, cost tracking, prompt engineering platforms, automated evaluation frameworks, and human annotation workflows.

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