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From game modder to world modeler: How Jua is building a digital twin of Earth

nebius.com · 1,461 words · saved by 1 readers

Jua is building a foundation model to simulate the physics of Earth, starting with weather forecasting for energy markets. After struggling with unreliable infrastructure across three AI-first cloud providers, Jua moved to Nebius for higher throughput and stable clusters. With Nebius, Jua trained and refined EPT-2, now delivering hourly global updates, 6x higher resolution, and forecasting performance that beats leading AI and traditional weather models.

From game modder to world modeler: How Jua is building a digital twin of Earth A long story short A long story short Jua is building a foundation model to simulate the physics of Earth, starting with weather forecasting for energy markets. After struggling with unreliable infrastructure across three AI-first cloud providers, Jua moved to Nebius for higher throughput and stable clusters. With Nebius, Jua trained and refined EPT-2, now delivering hourly global updates, 6x higher resolution, and forecasting performance that beats leading AI and traditional weather models. Jua is a Zurich-based AI

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