Mistral's ML4 was trained on 3,800 Grace Blackwell GPUs in its European datacenter

BLUECOW009 · x · 2026-10-07

Mistral chief scientist Guillaume Lample revealed ML4 was trained on 3,800 NVIDIA Grace Blackwell GPUs at the company's Bruyères-le-Châtel datacenter in Europe, funded by its Series B. Series C and D clusters are coming online soon, enabling longer training, more ambitious post-training and faster iteration, with 'large and rapid improvements' expected in weeks and months. Observers joked they had to triple-check it wasn't a shitpost.

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