Lettria

Lettria makes text processing accessible for everyone, leveraging advanced AI to understand and analyze texts.

About Lettria

Lettria is an AI platform designed to transform unstructured and structured data into ontology-powered knowledge graphs, enabling advanced document intelligence for regulated industries such as finance, healthcare, legal, and engineering. The platform offers tools for document parsing, ontology enrichment, and text-to-graph conversion, supporting both business and technical teams. Lettria emphasizes traceability, compliance, and auditability, making it suitable for organizations needing reliable, production-ready AI solutions. Pricing includes a free developer tier, pay-per-use plans, and custom enterprise deployments, with options for on-premises and air-gapped setups.

Best for: enterprise data teams, regulated industries, knowledge management specialists, AI developers

Key features

Converts documents and data into structured knowledge graphs for AI reasoning.
Supports both structured and unstructured data sources, including documents and tables.
Provides ontology building tools that auto-generate domain-specific models.
Enables traceable, auditable AI answers with full provenance.
Offers multi-hop reasoning and complex relationship mapping across data.

Use cases

Structuring technical documentation for engineering teams into knowledge graphs.
Transforming biomedical research and healthcare data into traceable, structured knowledge.
Unifying large product catalogs into machine-readable taxonomies for retail.
Navigating and analyzing complex legal documents with traceability.

Pros

Free developer tier available for small projects.
Supports on-premises and air-gapped deployments for compliance.

Limitations

Free tier has input size and usage limits.

Screenshots

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