IFM · First MLX build 29 Sept 2026

K2-Horizon-3.7B

MLX Text apache-2.0

A 5.1B parameter text generation model from IFM, with 3 MLX builds, from 4-bit to bf16.

Hugging Face
Parameters
5.1B
From Hugging Face
Quantisation
4-bit
K2-Horizon-3.7B-4bit
Memory needed
6 GB
Estimate, unified memory
Download
2.8 GB
Weights, estimated
Downloads
587
This build, last 30 days
Task
Text generation
Text
MLX builds
3
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/K2-Horizon-3.7B-4bit --prompt "Hello"

MLX builds

3 on mlx-community
Click a column to sort. Smallest size and most downloads are highlighted.
K2-Horizon-3.7B-4bit 4-bit 2.8 GB 6 GB 587
K2-Horizon-3.7B-8bit 8-bit 5.4 GB 9 GB 142
K2-Horizon-3.7B-bf16 bf16 10.1 GB 14 GB 118

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