Lettria

Lettria is an AI-driven platform designed for enterprises to manage, structure, and extract insights from complex textual and document-based knowledge. It features tools for building knowledge graphs from raw text, ontology enrichment, private GPT chatbot fine-tuning, and the innovative GraphRAG system which combines graph and vector-based retrieval augmented generation. Lettria is ideal for organizations with technical, unstructured, or context-heavy data looking to increase RAG accuracy, traceability, and reliability in AI applications, especially in regulated or high-stakes industries like healthcare, finance, legal, and engineering.