Keywords AI

Opik vs Promptfoo

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

Quick Comparison

Opik
Opik
Promptfoo
Promptfoo
CategoryObservability, Prompts & EvalsObservability, Prompts & Evals
Websitecomet.compromptfoo.dev

About Opik

Opik by Comet is an open-source LLM evaluation and observability platform. It provides tracing, evaluation scoring, dataset management, and experiment tracking for LLM applications. Opik supports automated LLM-as-judge evaluations and integrates with popular frameworks like LangChain and LlamaIndex.

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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