LM Studio

LM Studio is currently the most user-friendly desktop tool for running local large language models. It features an intuitive graphical interface that allows users to search for, download, and run thousands of models from Hugging Face without any command-line operations. A built-in model configuration wizard automatically recommends optimal quantization parameters. It supports GPU acceleration via CUDA or Metal, enabling multiple models to be loaded simultaneously for comparison. The tool also includes a local API server function that can be accessed by other applications. Running entirely offline ensures that all data and models remain 100% on the device, making it an excellent choice for individual users getting started with local AI.