LlamaIndex is a data management software aimed at enhancing Large Language Model (LLM) applications. It streamlines data ingestion, indexing, and data analysis through its user-friendly query interface. Offering seamless integration with most database types and LLM platforms, including OpenAI, it stands out for its ability to connect custom data sources with large language models. It's a perfect tool for tech companies, data analysts, and LLM application developers. The software offers a basic plan at $10/month, professional plan at $50/month, and an enterprise plan at $100/month, aimed at catering to the needs of individuals, professionals, and larger organizations respectively.