# Ai2 — Ai2 and Google collaborate on a new generation of climate models

- Company: Ai2 (allenai.org)
- Announced: 2026-11-04
- Category: partnership-acquisition
- Coverage: not counted
- Announcement: yes
- Group: announcements
- Source: https://allenai.org/blog/google-climate-partnership
- Record: https://forck.live/items/31618-ai2-and-google-collaborate-on-a-new-generation-of-climate-models
- Subject: Olmo / Molmo / Asta
- Models affected: NeuralGCM, NeuralGCM+, ACE, ACE2

Ai2 is starting a climate modeling initiative with three-year, multimillion-dollar funding from Google.org and technical support from Google Research, to build NeuralGCM+, an open-source model for faster, more reliable climate projections. The work extends Google Research's NeuralGCM, which uses physical equations for large-scale dynamics and AI for smaller-scale processes such as cloud formation and rainfall. Ai2 will extend it to simulate the atmosphere and ocean together, capturing how oceans absorb and redistribute heat, a major influence on long-term climate. Google Research has been developing NeuralGCM for nearer-term forecasts over weeks to months, while Ai2's focus will be climate trends over years to decades, including how rainfall and water availability could change through mid-century in regions such as the southwestern United States. Ai2 plans to develop NeuralGCM+ along three fronts: linking it with an ocean and sea-ice model for stable simulations spanning decades, adding more established physics to test warmer climates, and releasing models and frameworks with documented workflows for outside researchers. Google's existing NeuralGCM shows the potential: in a public benchmark, an atmosphere-only version simulated a year of atmospheric conditions for the entire globe in eight minutes on a single TPU. Ai2 says its ACE2 completed experiments on how ocean-temperature patterns affect climate roughly 100 times faster than the conventional atmospheric model it was trained to emulate.

## Evidence

Verbatim from https://allenai.org/blog/google-climate-partnership:

> Ai2 is launching a new climate modeling initiative with multimillion-dollar, three-year funding from Google.org and technical support from Google Research. The funding will expand our Climate Modeling team as we develop NeuralGCM+, an open-source model designed to make climate projections faster and more reliable.
> 
> The project builds on Google Research’s NeuralGCM , which uses physical equations to simulate large scale dynamics and AI to represent smaller-scale processes such as cloud formation and rainfall. We will extend it to simulate the atmosphere and ocean together, capturing how oceans absorb and redistribute heat—a major influence on long-term climate.
> 
> Since its original release, Google Research has been developing NeuralGCM for nearer-term forecasts over weeks to months, such as how warm or wet an upcoming summer might be. Ai2’s focus will be climate trends over years to decades, including how rainfall and water availability could change through mid-century in regions such as the southwestern United States.
> 
> Our ambition is to put these tools within reach of more scientists and help communities make better-informed decisions about water planning and climate adaptation.

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Record: https://forck.live/items/31618-ai2-and-google-collaborate-on-a-new-generation-of-climate-models
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