SFR-Judge is a series of evaluation models launched by Salesforce AI Research, aimed at accelerating the evaluation and fine-tuning processes of large language models (LLMs) through artificial intelligence technology. These models can perform a variety of evaluation tasks, including pairwise comparisons, single-item scoring, and binary classification, while providing explanations to avoid black-box issues. SFR-Judge has demonstrated exceptional performance in multiple benchmark tests, proving its effectiveness in evaluating model outputs and guiding fine-tuning.