CVLGNov 17, 2025

OlmoEarth: Stable Latent Image Modeling for Multimodal Earth Observation

arXiv:2511.13655v110 citationsh-index: 21Has Code
Originality Incremental advance
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This provides a domain-specific solution for Earth observation applications, benefiting non-profits and NGOs with improved data processing tools.

The paper tackles the challenge of modeling multimodal Earth observation data by introducing OlmoEarth, a foundation model that achieves state-of-the-art performance, outperforming 12 other models on 15 out of 24 tasks with embeddings and 19 out of 29 tasks with fine-tuning.

Earth observation data presents a unique challenge: it is spatial like images, sequential like video or text, and highly multimodal. We present OlmoEarth: a multimodal, spatio-temporal foundation model that employs a novel self-supervised learning formulation, masking strategy, and loss all designed for the Earth observation domain. OlmoEarth achieves state-of-the-art performance compared to 12 other foundation models across a variety of research benchmarks and real-world tasks from external partners. When evaluating embeddings OlmoEarth achieves the best performance on 15 out of 24 tasks, and with full fine-tuning it is the best on 19 of 29 tasks. We deploy OlmoEarth as the backbone of an end-to-end platform for data collection, labeling, training, and inference of Earth observation models. The OlmoEarth Platform puts frontier foundation models and powerful data management tools into the hands of non-profits and NGOs working to solve the world's biggest problems. OlmoEarth source code, training data, and pre-trained weights are available at $\href{https://github.com/allenai/olmoearth_pretrain}{\text{https://github.com/allenai/olmoearth_pretrain}}$.

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