AI21 Labs has integrated its Jamba-Instruct foundation model, known for its impressive 256K context window, with the LlamaIndex data framework to enhance Retrieval-Augmented Generation (RAG) applications for enterprises. This collaboration allows developers to build RAG systems that are more accurate and cost-efficient, leveraging Jamba-Instruct's ability to maintain parity between declared and effective context window lengths. Unlike other models that falter under evaluation, Jamba-Instruct can handle vast amounts of text, equivalent to 800 pages, improving the retrieval and accuracy of information from large datasets. An example showcased in the integration involves querying financial documents, revealing that the model's extensive context capability allows it to return more accurate answers by retrieving a larger number of text chunks, thereby addressing the limitations of traditional RAG systems with smaller context windows. The integration highlights the synergy between long context models and RAG systems, emphasizing that combining both technologies enhances the quality and reliability of information retrieval in enterprise settings.