LastMile is an innovative AI-powered platform designed to help businesses optimize their large language model (LLM) applications effectively. It provides a comprehensive suite of tools for building custom evaluator models, establishing AI guardrails, and monitoring AI performance in real-time. One of its standout features is AutoEval, which allows users to create tailored evaluator models that meet their specific needs. This ensures that AI assessments are both reliable and accurate. The platform simplifies the process of managing application data by enabling users to upload and label outputs with an LLM judge. This streamlined workflow enhances the efficiency of refining evaluation models. Additionally, LastMile includes alBERTA, a robust entailment model with 400 million parameters, designed for evaluation tasks. It boasts an impressive inference time of less than 300 milliseconds and can efficiently operate on CPUs. The combination of these features makes LastMile a valuable tool for enterprises aiming to evaluate and enhance their AI applications. However, it is always wise to explore alternatives to ensure you find the best fit for your specific needs and objectives.