AI21 · First MLX build 14 Oct 2025
AI21-Jamba-Reasoning-3B
MLX
Text apache-2.0
A 3B parameter text generation model from AI21, with 3 MLX builds, from 4-bit to bf16.
- Parameters
- 3B From Hugging Face
- Quantisation
- 4-bit AI21-Jamba-Reasoning-3B-4bit
- Memory needed
- 4 GB Estimate, unified memory
- Download
- 1.7 GB Weights, estimated
- Downloads
- 178 This build, last 30 days
- Task
- Text generation Text
- MLX builds
- 3 On mlx-community
- Devices
- Mac Apple silicon
Memory
Will it fit?Needs about 4 GB at 4-bit
8 GB
16 GB
24 GB
32 GB
64 GB
128 GB
Fits with headroomTight, close other appsWon’t fit
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/AI21-Jamba-Reasoning-3B-4bit --prompt "Hello"MLX builds
3 on mlx-community| AI21-Jamba-Reasoning-3B-4bit | 4-bit | 1.7 GB | 4 GB | 178 |
|---|---|---|---|---|
| AI21-Jamba-Reasoning-3B-6bit | 6-bit | 2.5 GB | 5 GB | 45 |
| AI21-Jamba-Reasoning-3B-bf16 | bf16 | 6.1 GB | 9 GB | 61 |
Sizes are estimated from Hugging Face’s parameter counts and the quantisation. Downloads are for the last 30 days.