Who builds AI: landscape of players
Large model development is concentrated among a few American and Chinese players, with European players including France's Mistral AI. Alongside proprietary models, an active open-source ecosystem exists. Understanding who builds AI, and with what interests, sheds light on sovereignty and dependency debates.
The development of large AI models is currently concentrated among a small number of players, mainly American and Chinese, with a European presence most visibly represented by the French company Mistral AI. Alongside these proprietary models exists an active open source ecosystem that publishes reusable models. Understanding who builds AI, with what resources and what interests, sheds light on debates about dependence, sovereignty and regulation.
The major proprietary players
Several American companies dominate the development of the most advanced language models and have considerable computing resources. Chinese players are progressing rapidly, supported by a large domestic market. These proprietary models are accessible via paid or free services, but their internal workings are not public.
The open source ecosystem
So-called open models publish their weights, enabling reuse, auditing and adaptation. This ecosystem fosters research, transparency and independence from major providers. Mistral AI, a French company, contributes to it while also offering closed models.
Europe and France's place
Europe is in a position of dependence on fundamental building blocks: specialized chips, cloud infrastructure, leading models are mostly non-European. France nevertheless has documented assets: mathematical school, research labs, startups, and hosted an international AI action summit in Paris in February 2025. The European strategy combines regulation, with the AI Act, and investments.
Why this concerns you
Concentration raises concrete questions: dependence on a few providers, access conditions, protection of data entrusted to foreign players, Europe's ability to influence rules. The choice between proprietary and open source models also touches on transparency: an auditable model offers guarantees that a closed model does not.
Frequently Asked Questions
Does Europe have its own models?
Yes, notably through Mistral AI, but the ecosystem remains smaller than its American and Chinese competitors.
Does open source mean free?
Not exactly. The model is reusable, but operating it at scale has a cost. Openness does not mean no cost.
Why talk about sovereignty?
Because being entirely dependent on foreign players for a strategic technology raises economic, political and security questions.
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