EU Projects

Building Europe's Open-Source Large Language Models

Hands fitting puzzle pieces together into a speech bubble, illustrating collaboratively built open-source language models

Introduction

LightOn is proud to be a key partner in OpenEuroLLM, a landmark European project that is developing the next generation of open-source large language models. These models reflect the diversity of the 35 languages and cultures within Europe, while also promoting advanced European AI capabilities and digital sovereignty.

About OpenEuroLLM

The OpenEuroLLM project brings together Europe's leading AI companies and research institutions to develop high-performance, Europe-focused, multilingual foundation models for use in commercial, industrial, and public services. These transparent, open-source models will democratise access to quality AI, thereby strengthening Europe's global competitiveness.

The project enhances Europe's digital sovereignty by promoting transparency, openness, and community involvement. The models will be developed within Europe's regulatory framework to ensure they align with European values while maintaining technological excellence.

Project Overview

Duration

February 2025 – January 2028

Total Budget

€37.4 million

EU Funding

€20.6 million from the European Commission

Special Recognition

Awarded the STEP (Strategic Technologies for Europe Platform) seal

Objective

To build fully open-source, Europe-focused, multilingual large language models using open data, code, and weights.

LightOn's Contribution

As a French leader in large language model technology, LightOn is bringing its expertise in developing and deploying advanced AI solutions to the OpenEuroLLM consortium. We support the project's mission to deliver transparent, compliant and high-performance European language models that are tailored for industrial use and prioritise openness and accessibility for businesses and public organisations across Europe.

Project Partners

The OpenEuroLLM consortium unites 21 of Europe's leading research institutions, companies, and EuroHPC centres:

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