The Well

License: Per subset (mostly CC-BY / code MIT) · Updated 2026-01-15
Official → HuggingFace →
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The Well, released by Polymathic AI, contains physics simulation data across fluid, plasma, climate, materials and more - about 15 TB. It provides a unified PyTorch data interface and pretrained baselines, and is the flagship benchmark for training Physics Foundation Models.

Use cases: Training cross-domain neural operators / surrogate models; evaluating generalization across multiple physical laws.

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