We released OlmoEarth (v1) in November 2025. Since then, partners have applied it across a wide range of tasks, from tracking mangrove change to classifying drivers of forest loss to producing country-scale crop-type maps in days, scaling deployments to national, continental, and global areas. Every release moves us closer to our mission: bringing state-of-the-art AI to organizations and communities working to protect people and our planet.

When OlmoEarth processes satellite imagery to make predictions across tens to hundreds of thousands of square kilometers, efficiency shapes what’s possible. Over the full lifecycle of running OlmoEarth – data export, preprocessing, inference, and post-processing – compute is by far the highest cost. A more efficient model means we can support more partners on the OlmoEarth Platform, and that anyone running OlmoEarth on their own can leverage this technology faster and at lower expense.

That’s why we built OlmoEarth v1.1: a new family of models that cuts compute costs by up to 3x while maintaining OlmoEarth v1's performance on a mix of research benchmarks and tasks we’ve constructed with partners.

The OlmoEarth models are transformer-based models, one of the dominant architectures in machine learning today. To process remote sensing data, we first convert it into a sequence of tokens the model can ingest.

Two important levers control efficiency in transformer-based models: model size (this is why we release a family of models, so users can pick the size that fits their compute budget) and token sequence length . Compute costs scale quadratically with the token sequence length, so even small reductions can meaningfully cut the cost of running the model.

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