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🔴 The Retriever You Actually Need

Introducing LateOn and DenseOn, two Apache 2.0 retrievers: SOTA on BEIR, built to generalize.

April 21, 2026

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LightOn Signs Agreement with Infocom’94 to Accelerate the Deployment of Sovereign Generative AI for Local Authorities

Through this agreement, Infocom’94 will be able to integrate LightOn’s AI solutions at the heart of local authorities’ digital services, with one non-negotiable requirement: citizens’ data must remain under sovereign control.

May 27, 2026

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The critical systems your cyber audit never saw

The impossible use case Season 1, Episode 03: Cybersecurity

May 26, 2026

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The “force majeure” ambiguity you untangled in a single question

The impossible use case - Season 1, episode 02: Legal

May 22, 2026

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LightOn x Idun: Anatomy of an Agent in Production

How LightOn Console + Idun Agent Platform put a production RAG agent into the hands of any team. Knowledge layer + runtime, MCP-bridged, open source. Tested on French HR documents.

May 20, 2026

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LightOn joins the AION consortium, led by Ardian, Artefact, Bull, CapGemini, EDF, the Iliad Group, Orange, and Scaleway

Bid for a European AI Gigafactory in France

May 20, 2026

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Adaptive Chunking: Reasoning Starts Before the LLM Sees a Token

Document-aware chunking selection for production RAG systems

May 19, 2026

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The €825,000 you saved before lunch

The impossible use case - Season 1, episode 01: Procurement

May 13, 2026

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Deep Research is now Open

Agent-ModernColBERT adds ~10% over Reason-ModernColBERT on BrowseComp-Plus, stays at 149M parameters, and brings GPT-5 + Qwen3-8B-level retrieval performance to a fully open stack.

May 12, 2026

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EDiTh: Sharing the Data Nobody Shares

Meet EDiTh: a synthetic enterprise corpus built to benchmark what public datasets can't touch: 1,004 PDFs in six languages and 36 ground-truth use cases.

April 27, 2026

Blog

🔴 The Retriever You Actually Need

LightOn Signs Agreement with Infocom’94 to Accelerate the Deployment of Sovereign Generative AI for Local Authorities

The critical systems your cyber audit never saw

The “force majeure” ambiguity you untangled in a single question

LightOn x Idun: Anatomy of an Agent in Production

LightOn joins the AION consortium, led by Ardian, Artefact, Bull, CapGemini, EDF, the Iliad Group, Orange, and Scaleway

Adaptive Chunking: Reasoning Starts Before the LLM Sees a Token

The €825,000 you saved before lunch

Deep Research is now Open

EDiTh: Sharing the Data Nobody Shares

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