Vectara is a well-rounded RAG solution that provides an end-to-end, optimized SaaS platform for developers to build and deploy their business applications. It scores high in completeness, abstraction, total cost of ownership, trust, and advanced RAG features. Google Vertex AI comes close with its comprehensive SaaS suite offering easy-to-use tools to build and run RAG-based applications. OpenAI provides a broad suite of LLM-oriented tools that is moving up the stack to offer more managed offerings and solutions, including a RAG option. LangChain and LlamaIndex are open-source frameworks using the RAG approach to bring data to LLM applications, while Cohere is an LLM-focused company moving towards a RAG-based managed offering. Azure AI Search offers a keyword-based search platform with a focus on security and governance, and Databricks is a data platform company with deep roots in data engineering and data science that is now moving into the LLM world. The final scores show Vectara leading the pack, followed by Google Vertex AI, OpenAI, LangChain, LlamaIndex, Cohere, Azure AI Search, and Databricks.