Opik

Opik is an open-source platform designed to streamline the evaluation, debugging, and monitoring of Large Language Model (LLM) applications. It provides a comprehensive suite of tools that enable developers to track traces and spans, define and compute custom evaluation metrics, and score LLM outputs. This allows for easy comparison of performance across different application versions and iterations, ensuring continuous improvement and optimization.

A core strength of Opik lies in its ability to automate prompt engineering and agent optimization. It offers four powerful optimizers—Few-shot Bayesian, MIPRO, evolutionary, and LLM-powered MetaPrompt—to help users achieve elite system prompts and freeze them into reusable, production-ready assets. Furthermore, Opik integrates robust AI guardrails to maximize trust and safety by screening user inputs and LLM outputs, detecting and redacting sensitive information like PII, competitor mentions, or off-topic discussions, using either its built-in models or third-party libraries.