Ai2 · First MLX build 20 Nov 2025

Olmo-3-7B-Instruct

MLX Text apache-2.0

A 7.3B parameter text generation model from Ai2, with 5 MLX builds, from 4-bit to bf16.

Hugging Face
Parameters
7.3B
From Hugging Face
Quantisation
4-bit
Olmo-3-7B-Instruct-4bit
Memory needed
7 GB
Estimate, unified memory
Download
4.1 GB
Weights, estimated
Downloads
810
This build, last 30 days
Task
Text generation
Text
MLX builds
5
On mlx-community
Devices
Mac
Apple silicon

Memory

Estimated from the size of the weights, plus a fifth for context and working memory and 2 GB for macOS and your apps. Long contexts need more.

Run it

Terminal · mlx-lm
$ pip install -U mlx-lm
$ mlx_lm.generate --model mlx-community/Olmo-3-7B-Instruct-4bit --prompt "Hello"

MLX builds

5 on mlx-community
Click a column to sort. Smallest size and most downloads are highlighted.
Olmo-3-7B-Instruct-4bit 4-bit 4.1 GB 7 GB 810
Olmo-3-7B-Instruct-mxfp4-QAT MXFP4 4.1 GB 7 GB 473
Olmo-3-7B-Instruct-6bit 6-bit 5.9 GB 9 GB 17
Olmo-3-7B-Instruct-8bit 8-bit 7.8 GB 11 GB 432
Olmo-3-7B-Instruct-bf16 bf16 14.6 GB 19 GB 32

Sizes are estimated from Hugging Face’s parameter counts and the quantisation. Downloads are for the last 30 days.