MODELS

Olmo 3

by Ai2

modelsource:allenai.orglanguage-modelopen-modelchatreasoningtool-useresearchAi2OLMo

Overview

Fully open 7B/32B language model family with Base, Instruct, Think, and RL variants for chat, reasoning, tool use, and research workflows.

Details

Olmo 3 is an Ai2 language model family described by Ai2 as fully open and available in 7B and 32B sizes. The supplied sources describe Base, Instruct, Think, and RL variants, with uses spanning chat, reasoning, tool use, and research workflows. Official source coverage includes the Ai2 Olmo page, Ai2 launch blog, Ai2 latest-releases documentation, and the allenai/OLMo-core GitHub repository.

When to Use

Use when you need a fully open Ai2 language model family in 7B or 32B sizes. Use for chat reasoning tool-use or research workflows where the Base Instruct Think or RL variants match the task. Use when you want to inspect official Ai2 documentation and the OLMo-core GitHub repository before evaluation.

Getting Started

Open the official Ai2 Olmo page for the model overview: https://allenai.org/olmo
Read Ai2 latest-releases documentation for current release details: https://docs.allenai.org/latest-releases
Inspect the official GitHub repository for OLMo-core materials: https://github.com/allenai/OLMo-core
Review the Ai2 launch blog for the public announcement: https://allenai.org/blog/olmo3

Key Features

•Fully open model family as described by Ai2
•7B and 32B model sizes
•Base
•Instruct
•Think
•and RL variants
•Positioned for chat
•reasoning
•tool use
•and research workflows

Capabilities

•chat
•reasoning
•tool use
•research workflows
•language model

Last updated Jun 10, 2026