Unsloth is a platform designed to accelerate the training and fine-tuning of large language models (LLMs). It achieves significant speedups in training without hardware changes by manually deriving all computationally intensive mathematical steps and writing custom GPU kernels. Unsloth supports various GPUs, including NVIDIA, AMD, and Intel, and offers an open-source version for users to freely try on Google Colab or Kaggle Notebooks. It also offers different pricing plans, including Free, Pro, and Enterprise, to meet the needs of diverse users.