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No-code NLP and knowledge graphs
Lettria is a knowledge graph NLP AI agent offering a no-code NLP platform that builds knowledge graphs and GraphRAG from documents. Founded in 2017 and based in Paris, France, Lettria helps enterprises in regulated industries automate knowledge graph NLP work and get results faster.
Lettria takes documents and text as input and produces knowledge graphs. It combines large language models with task-specific AI, with the vendor managing prompts, models and updates. It connects to tools such as Python, AWS, Azure and Google Cloud, so the agent works inside existing workflows.
Lettria is built for enterprises in regulated industries. It suits teams that want document to knowledge graph and GraphRAG without adding headcount, while keeping people in control of review and final decisions.
Lettria is often compared with expert.ai. Lettria stands out for document to knowledge graph and text classification. The right choice depends on your workflow, integrations and budget, so compare both on a real task.
Pricing Model
Custom
Starting Price
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Free Options
Free trial
Lettria for individuals and growing teams. See lettria.com for current pricing.
Lettria for larger organizations with security and admin needs. Contact sales for a quote.
| Feature | Pro Popular | Enterprise |
|---|---|---|
| Document to knowledge graph | , | |
| GraphRAG | , | |
| Higher usage limits | , | |
| Integrations | , | |
| Email support | , | |
| Everything in Pro | , | |
| Text classification | , | |
| Ontology building | , | |
| SSO and admin controls | , | |
| Dedicated support | , |
Other
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API Types
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Compliance Standards
SOC 2 Type II
EnterpriseISO 27001
EnterpriseGDPR Compliant
GlobalHIPAA
HealthcarePCI DSS
FinanceCCPA
PrivacyFedRAMP
GovernmentCSA STAR
CloudDeployment & Data
Data Residency Options
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