Liquid AI · First MLX build 20 Jan 2026

LFM2.5-1.2B-Thinking

MLX Text lfm1.0

A 1.2B parameter text generation model from Liquid AI, with 6 MLX builds, from 4-bit to bf16.

Hugging Face
Parameters
1.2B
From Hugging Face
Quantisation
6-bit
LFM2.5-1.2B-Thinking-6bit
Memory needed
4 GB
Estimate, unified memory
Download
951 MB
Weights, estimated
Downloads
686
This build, last 30 days
Task
Text generation
Text
MLX builds
6
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/LFM2.5-1.2B-Thinking-6bit --prompt "Hello"

MLX builds

6 on mlx-community
Click a column to sort. Smallest size and most downloads are highlighted.
LFM2.5-1.2B-Thinking-OptiQ-4bit 4-bit 659 MB 3 GB 292
LFM2.5-1.2B-Thinking-4bit 4-bit 659 MB 3 GB 196
LFM2.5-1.2B-Thinking-5bit 5-bit 805 MB 3 GB 31
LFM2.5-1.2B-Thinking-6bit 6-bit 951 MB 4 GB 686
LFM2.5-1.2B-Thinking-8bit 8-bit 1.2 GB 4 GB 46
LFM2.5-1.2B-Thinking-bf16 bf16 2.3 GB 5 GB 39

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