Olmo 3.1 RL-Zero Code

by Ai2

About the model:

Experimental pen code model for the scientific exploration of RLVR training, from the Olmo family.

Model type:

Code

Model performance class:

Full

Link to the model:

https://huggingface.co/allenai/Olmo-3.1-7B-RL-Zero-Code

Base models:

Olmo-3-1025-7B

End model:

Olmo-3.1-7B-RL-Zero-Code

End model license:

Apache-2.0

About the organisation:

Allen Institute for AI (non-profit research institute)

Link to the organisation:

https://allenai.org

Model release date:

December 2025

Availability

Base Model Data

Pretraining dataset published on HuggingFace.

https://huggingface.co/datasets/allenai/dolma3_mix-6T-1025

End User Model Data

Dataset for end model published on HuggingFace.

https://huggingface.co/datasets/allenai/Dolci-RL-Zero-Code-7B

Base Model Weights

Base model available on HuggingFace.

https://huggingface.co/allenai/Olmo-3-1025-7B

End User Model Weights

Model weights published on HuggingFace.

https://huggingface.co/allenai/Olmo-3.1-7B-RL-Zero-Code

Training Code

Training code made available on GitHub, open-source projects.

https://github.com/allenai/OLMo-core https://github.com/allenai/open-instruct

Documentation

Code Documentation

Repositories are well-documented.

https://github.com/allenai/OLMo-core https://github.com/allenai/open-instruct

Hardware Architecture

Hardware architecture for base model described in preprint.

https://arxiv.org/pdf/2512.13961

Preprint

Preprint published on arXiv.

https://arxiv.org/pdf/2512.13961

Paper

No peer-reviewed paper found.

Modelcard

Model card provides the requisite info.

https://huggingface.co/allenai/Olmo-3.1-7B-RL-Zero-Code

Datasheet

Datasets well-documented, however information is not centralized on dataset page.

https://huggingface.co/datasets/allenai/dolma3_mix-6T-1025 https://huggingface.co/datasets/allenai/dolma3_mix-6T-1025

Access

Licenses

Apache-2.0, an OSI-approved license.

https://huggingface.co/allenai/Olmo-3.1-7B-RL-Zero-Code

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