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← CoreWeave
Thu, Oct 30, 2025

CoreWeave acquires Marimo to unify the generative AI developer workflow

Source document ↗

Key points

  • Marimo makes an open-source, Python-based reactive notebook for AI/data workflows

Acquisition

MarimoCompleted

Marimo is the maker of an open-source, Python-based reactive notebook for AI/data workflows.

  • Deal value not disclosed
  • Extends the Weights & Biases logic — integrating notebook technology into CoreWeave Cloud to unify training/inference/data-movement workflows
  • Marimo's open-source project remains free/permissively licensed
  • Morgan Stanley advised Marimo