Opik

Opik is a cutting-edge open-source AI observability and evaluation platform, designed to optimize and enhance the performance of language model applications. As AI technology continues to evolve in 2026, the need for robust tools to monitor and improve AI systems has become paramount. Opik stands out by providing comprehensive tools for logging, annotating, and evaluating the outputs of language models throughout their development and production lifecycle. Trusted by over 150,000 developers and thousands of companies worldwide, Opik offers a reliable solution to gain insights into AI systems, enabling developers to understand and improve their models effectively. Its unique capability to automatically surface and ship measurable improvements in agentic systems makes it an indispensable tool for AI developers. By leveraging Opik, users can save time and reduce guesswork, as the platform automatically generates and tests prompts, recommending top performers based on example datasets and desired metrics. This ensures that AI agents are not only optimized but also aligned with business goals, ultimately leading to better decision-making and innovation. With features like LLM trace logging, human feedback integration, and automated evaluation metrics, Opik provides a holistic approach to AI observability, making it a preferred choice for forward-thinking organizations. Whether you are a small startup or a large enterprise, Opik's flexible hosting and deployment options, coupled with its enterprise-grade reliability and security, make it a versatile and trustworthy partner in your AI journey.