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Ai2

Latest research

August 19, 2025

Signal and Noise: Reducing uncertainty in language model evaluation

We find that two simple metrics, signal and noise, reveal key differences in the utility of current LLM benchmarks.
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August 18, 2025

MoNaCo: More natural questions for reasoning across dozens of documents

Introducing MoNaCo, a benchmark of highly challenging questions spanning dozens of documents for evaluating large language models.
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August 12, 2025

MolmoAct: An Action Reasoning Model that reasons in 3D space

MolmoAct is the first model able to “think” in three dimensions, trained efficiently and delivering benchmark-topping performance.
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July 22, 2025

Contextualized Evaluations: Judging language model responses to underspecified queries

How do we evaluate LLMs on underspecified queries? We show that adding clarifying context flips model rankings and uncovers model biases.
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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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