The Well

A dataset, not a model: a shared collection of physics simulations for training and testing foundation models.

Made by
Ruben Ohana, Michael McCabe, Lucas Meyer and others (Polymathic AI)
Field
Simulation and fluids (a dataset, not a model)
Learns from
15 TB of simulations in 16 datasets: fluids, supernovae, biology, acoustics
Size
Not stated
Open weights
Not a model, BSD-3-Clause (code)
First public
Nov 2024

How it relates to Flare

Shows how simulation data gets shared across a field. Whether CERN will publish Flare's training simulations is not known.

Every figure here is from the source above, checked 17 October 2026. Something changed? Email [email protected].

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