Watson Discovery versus watsonx Discovery: A comparison

This post compares IBM Watson Discovery (focused on document understanding and processing) with IBM watsonx Discovery (focused on conversational semantic search). It highlights that watsonx Discovery is an add-on to watsonx Assistant, utilizes generative AI and RAG for conversational search, and leverages semantic, federated, and vector search capabilities, particularly through Elasticsearch. Watson Discovery is presented as a standalone product for intelligent business processes and document intelligence. The post details the key differences in their focus, architecture, and target users, noting that watsonx Discovery is designed for enterprise-quality RAG with three core components: a conversational AI platform, a retrieval system, and enterprise-ready LLMs.