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Blog
LightOn Launches Its Sovereign and Secure Generative AI Offering for Higher Education in Partnership with ENS Paris-Saclay
LightOn, a leading European provider of generative AI for enterprises and the public sector, is supporting the École normale supérieure Paris-Saclay (ENS Paris-Saclay) in deploying its Paradigm platform within a sovereign French cloud environment. This collaboration marks the launch of Paradigm Edu, LightOn’s new offering tailored to the needs of higher education and research institutions. With this initiative, ENS Paris-Saclay aims to accelerate the exploration and adoption of concrete generative AI use cases across its administrative functions, while ensuring data security and confidentiality. The project aligns with national regulatory frameworks and meets the strict security requirements of public institutions.
Cyllene and LightOn join forces to accelerate the adoption of sovereign and responsible AI within French enterprises
Paris, September 16th 2025 – Cyllene, a leading French provider of sovereign hosting and managed services, announces the signing of a strategic partnership with LightOn, a French pioneer in trusted generative artificial intelligence solutions.
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LightOn: Deep Tech, Simple Delivery
Discover LightOn’s Paradigm platform, enterprise-ready AI with sovereign LLM deployment. Explore our state-of-the-art open source models like ModernBERT, Ettin, BioClinical ModernBERT, and more, powering next-gen enterprise search, reasoning, and retrieval.
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LightOn’s Multi-Vector Retrieval Revolution: From Research to Production
Discover how LightOn’s late-interaction stack, ModernBERT, PyLate, and FastPlaid,is transforming semantic search and AI retrieval from academic theory into real-world production systems
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FastPlaid: Bringing Multi-Vector Search to Production Scale
FastPlaid is LightOn’s open-source Rust engine for late-interaction retrieval. Version 1.10.0 adds incrementally-updatable indexes—6.5× faster than Stanford PLAID—so your RAG, recommender or search pipeline can evolve in real time without downtime.
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Agentic AI vs. Rules-Based Automation: How AI Is Reshaping Finance
Discover why legacy automation falls short in finance, and how agentic AI brings context, adaptability, and secure intelligence to the frontlines.
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Introducing Ettin Suite: the SoTA open recipe to outperform existing Generative & Retrieval Models
Introducing Ettin, the first ever SOTA suite of paired encoder & decoder models, developed by Johns Hopkins University in collaboration with LightOn.
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PyLate-rs: a lightweight tool to compute lightning-fast embeddings
PyLate-rs is a high-performance inference engine for PyLate models, meticulously crafted in Rust for optimal speed and efficiency.
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Sodern, a subsidiary of ArianeGroup, Selects LightOn to Industrialize Generative AI Within a Secure Framework
In Paris, on June 19, 2025, Lighton, a leading European provider of enterprise-grade generative AI for the public and private sectors, introduced secure artificial intelligence to the core of Sodern’s operations. In response to burgeoning demands for sovereignty and performance, Sodern has made the shrewd decision to deploy Paradigm, LightOn’s generative AI platform, across its organization. The result: the genesis of a deep transformation of its processes and operations, enhancing productivity while maintaining the highest standards of security.
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Announcing BioClinical ModernBERT: a new SOTA encoder model for Medical NLP
The recent release of ModernBERT by LightOn and AnswerAI aims at providing the best base model that can be then used in different industry verticals. Today, Thomas Sounack from the Dana-Farber Cancer Institute in collaboration with researchers at Harvard University, LightOn, MIT, McGill University, Albany Medical College and Microsoft Research, used this capability and trained a new State-Of-The-Art (SOTA) medical encoder named BioClinical ModernBERT.
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