Portkey and Anyscale Endpoints offer a comprehensive LLMOps stack for developing AI applications with open-source Large Language Models (LLMs). By combining these two tools, developers can create a robust toolkit that combines reliability, security, fine-tuning, and observability. The combination of Portkey's observability layer, security and compliance protocols, and model management & improvement suite with Anyscale Endpoints' private deployment, fine-tuning, and state-of-the-art open LLMs provides a powerful toolkit for developers to build AI applications quickly and efficiently.