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Jean Zay, Europe's AI Supercomputer, a Victim of Its Own Success

🤖 Models & LLM·Tom Levy·

Jean Zay, Europe's AI Supercomputer, a Victim of Its Own Success

Jean Zay, Europe's AI Supercomputer, a Victim of Its Own Success
Key Takeaways
1In May 2025, CNRS expanded Jean Zay to 125.9 petaflops, enhancing its capacity.
2One year later, Jean Zay supports 1,700 projects but rejects five times more requests.
3Jean Zay remains the only AI infrastructure in Europe free from Washington's influence.
💡Why it mattersThe saturation of Jean Zay highlights the growing need for independent AI infrastructures in Europe.
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Full Analysis

A year ago, in May 2025, the CNRS inaugurated the fourth extension of Jean Zay, its supercomputer dedicated to AI located in Orsay. The machine, sovereign, increased its power to 125.9 petaflops.

One year later, it is in high demand with 1,700 supported projects, but also five rejected for every accepted project due to capacity constraints. Jean Zay is the only AI computing infrastructure in Europe that Washington will never have control over.

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