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Latest research

July 18, 2025

AutoDS: A prototype engine for autonomous, open-ended scientific discovery

AutoDS goes beyond standard data crunching by building upon its own findings and uncovering insights that may not be immediately apparent even to experienced researchers.
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July 9, 2025

Introducing FlexOlmo: a new paradigm for language model training and data collaboration

Explore how FlexOlmo enables collaborative language model training without sacrificing data privacy or control, introducing a new, flexible approach to building shared AI models.
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July 1, 2025

SciArena: A new platform for evaluating foundation models in scientific literature tasks

Discover how SciArena is being used to evaluate foundation models’ capabilities in scientific literature tasks through community-driven, literature-grounded, and multi-disciplinary reasoning.
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June 24, 2025

OMEGA: Can LLMs reason outside the box in math?

Discover how OMEGA is being used to evaluate large language models' ability to generalize in math through exploratory, compositional, and transformative reasoning
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June 13, 2025

New applications of the Ai2 Climate Emulator (ACE) by the international climate modeling community

Learn how ACE is being used for seasonal forecasts and understanding decadal variations in global warming.
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June 3, 2025

Revisiting critical batch size for large-batch OLMo pretraining

We introduce a more reliable method to measure the critical batch size (CBS), analyze how CBS changes over training, and use this to train OLMo with fewer grad steps.
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April 28, 2025
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April 15, 2025

DataDecide: How to predict best pretraining data with small experiments

Explore the secrets of how language model developers make decisions with DataDecide.
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April 9, 2025

Going beyond open data – increasing transparency and trust in language models with OLMoTrace

OLMoTrace lets you trace the outputs of language models back to their full, multi-trillion-token training data in real time.
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