From: allenai <github.com/allenai>Newsgroups: alt.freeweights.toolsSubject:

OLMo-core

Release: v3.0.0 (2026-10-01)Commit: a800c06License: Apache-2.0

Building blocks for training OLMo-style language models.

trainingv3.0.0releaseOLMo-corePythonApache-2.0
FactsLicenseApache-2.0LanguagePythonKindtrainingRelease2026-10-01PlatformsLinux (GPU)Links to the projectpermissive
$ pip install ai2-olmo-core

Overview

Building blocks for training OLMo-style language models.

Kind
training
License
Apache-2.0
Language
Python
Platforms
Linux (GPU)
Latest release
v3.0.0 (2026-10-01)
Repository
allenai/Olmo-core

Freeweights links to the project and does not host tool binaries.

Install

$ pip install ai2-olmo-core
$ pip install ai2-olmo-core

Checked against the project's README on 2026-11-15. The project's own instructions win when they differ: install docs

Freeweights links to the project and does not host tool binaries.

Use with Freeweights

Fine-tune a catalog model

Download the weights from Freeweights first (HF_ENDPOINT or fw.py), then point the tool at the folder.

Catalog models it can fine-tune (3137)

and 3077 more.

License

License
Apache-2.0
Class
Permissive

Read the license

Freeweights links to the project and does not host tool binaries.

Provenance

From: allenai <github.com/allenai>Newsgroups: alt.freeweights.toolsSubject: OLMo-coreRelease: v3.0.0 (2026-10-01)Commit: a800c06License: Apache-2.0
Repository
allenai/Olmo-core
Pinned release
v3.0.0, 2026-10-01
Release commit
a800c06edcec8e4652de2f80fe0ea572d689fcc3
Default branch
main 704625ad94a7c8bc93f9bea7a0b865b9a0c3d44e
Fetched
2026-11-15
Takedowns
None.

Freeweights links to the project and does not host tool binaries.

Works with

3137 catalog models. See the list