Hugging Face's Optimum tool allows users to convert pre-trained transformer models into the ONNX (Open Neural Network Exchange) format. This enables deployment of these models in various environments, including those that don't support native PyTorch or TensorFlow formats. The conversion process is reportedly seamless and preserves model performance. --- Why it matters: This matters because it expands the usability of pre-trained transformer models, making them accessible to a broader range of developers and applications. Source: https://huggingface.co/blog/convert-transformers-to-onnx