LightOn announces highly successful IPO on Euronext Growth Paris

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.

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

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.