Frontier AI models are rapidly advancing the adoption of generative AI but bring significant cost challenges, which a partnership between MongoDB and Fireworks.AI aims to address by optimizing performance and resource utilization. This collaboration leverages MongoDB's efficient data management and Fireworks.AI's model optimization tools to enhance speed and efficiency while minimizing operational costs. The blog discusses building an agentic Retrieval-Augmented Generation (RAG) application using Fireworks AI hosted LLMs and MongoDB Atlas, emphasizing the importance of optimizing the total cost of ownership (TCO) in AI operations. Fireworks AI provides tools for fine-tuning large language models (LLMs), focusing on techniques like PEFT, which allow for efficient customization of smaller language models (SLMs) to perform specialized tasks with reduced computational demands. MongoDB Atlas supports these efforts with its flexible schema and distributed architecture, facilitating efficient data storage and retrieval while integrating seamlessly with AI workflows. The integration between MongoDB and Fireworks AI enables scalable and intelligent systems, enhancing user experiences through better and more cost-effective AI performance. Additionally, the document touches on MongoDB's leadership transition, announcing that CJ Desai will succeed Dev Ittycheria as CEO, which is seen as a strategic move to guide MongoDB's growth amid the rise of AI and data-intensive applications.