What is LightOn?

LightOn Enterprise Search is a secure, on‑premise retrieval‑augmented generation (RAG) platform that indexes and searches text, images, diagrams, PDFs, and scanned documents from internal sources such as SharePoint, Confluence, and file servers. It provides a production‑ready API engine for developers to embed multimodal RAG capabilities into CRM, ERP, or custom applications, and a white‑label chat and search interface that can be deployed within days without additional development.

The platform supports tool chaining and agentic reasoning, enabling complex, multi‑step queries that autonomously combine document retrieval, data synthesis, and actionable insights. Data synchronization keeps the knowledge base continuously up‑to‑date across disparate silos, while strict ACLs and role‑based access mirror native source permissions for isolated workspaces.

LightOn Enterprise Search meets GDPR, SOC 2 Type 1, and AI Act requirements, ensuring that all documents and user queries remain within the user’s own infrastructure with zero data exfiltration. Its built‑in compliance analysis engine extracts and monitors regulatory content, identifies gaps, and automates RFP responses, making it useful for compliance teams, R&D, and customer support operations.

LightOn details

Company
LightOn
Jurisdiction
France
Built for
Businesses and teams
Stated compliance
SOC 2, GDPR

Compliance as stated in LightOn's own published documentation.

LightOn tech specs

AI infrastructure
Hugging Face
Integrations
GitHub

LightOn pricing

Paid
Parsing 0.002€
Ingestion 0.002€
Search 0.004€
Extraction 0.004€
Smart tagging (knowledge graph) 0.05$
Rag call 0.008€
Storage 2.50€
Ai agents - search & reason unlimited/tool call

LightOn's key features

  • OpenAPI V3 REST API
  • On-premise private cloud deployment
  • Unified ingestion of PDFs, Office, HTML
  • Hybrid search with reranking
  • Grounded generation with citations
  • Single Sign-On and audit logs

LightOn use cases

  • Build a regulatory compliance search portal for a pharmaceutical company, indexing clinical trial PDFs, lab images, and scanned forms with role‑based access and compliance analytics to automatically flag policy breaches
  • Integrate LightOn Enterprise Search into a legal firm’s document management system via its production‑ready API, enabling multimodal retrieval of case law PDFs, court‑filing images, and precedent documents while ensuring zero data exfiltration
  • Deploy a white‑label search interface for an insurance broker, using agentic reasoning retrieval to surface relevant claim PDFs, policy images, and scanned endorsements, with analytics that monitor regulatory content for audit readiness

LightOn user reviews

Based on 1 review, 100% of users recommend LightOn, rated highly for ease of use.

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Would you recommend LightOn?

Who is LightOn for?

  • Software developers
  • Business executives
  • Data strategists
  • Project coordinators
  • Workflow architects

LightOn FAQ

How much does LightOn cost?

LightOn is a paid product with no free plan. Plans include Parsing at 0.002€, Ingestion at 0.002€, Search at 0.004€ and Extraction at 0.004€.

Is LightOn safe to use?

LightOn states SOC 2 and GDPR compliance in its own published documentation. LightOn is operated by LightOn, registered in France. It has a substantial audience that is independently measured month to month.

What are the best alternatives to LightOn?

The closest alternatives to LightOn are Algolia, CrawlQ.ai, Curiosity, Iris.ai and Coveo. You can compare them side by side in the alternatives section further down this page.

What does LightOn do with my data?

LightOn states that customer content is not used to train its models. Its privacy policy states that personal data is not sold or shared for marketing purposes.

Does LightOn have an API?

Yes. LightOn offers an API, so you can call it from your own applications instead of using the interface directly.

Who made LightOn?

LightOn is built and operated by LightOn, a company registered in France.

What does LightOn integrate with?

LightOn connects with GitHub.

Compliance, privacy and billing terms are as stated in each product's own published documentation and have not been independently verified by TopAI.tools.

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