Mandoline LLM Evaluation Tool

Mandoline is a specialized software tool designed for the evaluation of Large Language Models (LLMs). It allows developers to create custom metrics for measuring various aspects of model responses, such as tone, agreeableness, or apologetic behavior. The platform provides a software development kit (SDK) supporting multiple programming languages including Node.js and Python, enabling seamless integration into AI development workflows.

Founded as a modern technological solution in the AI evaluation space, Mandoline serves enterprise and independent developers looking to optimize their LLM outputs. The company is based in the United States and operates as an independent entity in the tech sector, focusing on the quality assurance and performance metrics of generative AI applications. As of 2026, it remains a specialized provider in the growing ecosystem of AI monitoring tools.