The rapid evolution of artificial intelligence and machine learning has led to widespread adoption across industries, creating a need for companies to optimize their models for deployment and inference. Key challenges include the lack of robustness and slow inference times when deploying models at scale. To address these, the article discusses six optimization techniques, focusing on neural networks due to their complex architectures and memory demands, with an emphasis on understanding deep learning and neural networks using frameworks like PyTorch. The methods include knowledge distillation, which transfers knowledge from a complex model to a simpler one, and model quantization, which reduces computation requirements by using lower bit-width parameters. Layer fusion is another technique that increases model efficiency by merging similar layers. The use of the ONNX library is recommended for improving model interoperability and hardware optimization. The article also explores different deployment modes, such as single-sample inference and batch processing, and the importance of model pruning and online deep learning for continuous optimization. Finally, federated learning is highlighted as a solution to privacy concerns by training models on edge devices and updating a central model without transmitting sensitive data.