Ranked #3 in laptops by usable model memory — the one feature that decides which LLMs a device can run.
| Usable model memory | 24 GB of 32 GB unified |
| Largest model, Q4 quality | 32B |
| Chip | Apple M4 |
| Memory speed | 120 GB/s |
| Storage | 256GB–2TB SSD |
| Display | 15.3in Liquid Retina |
| Weight | — |
| Operating system | macOS |
| AI software | Metal (MLX, llama.cpp) |
| Price | from $1,999 |
24 GB of usable model memory fits a 32B model at Q4 quality, with room left over for a long conversation. Memory decides local AI — everything else is second.
Specifications: AppleInsider MacBook Air 15 M4 price guide.
ModelFit. Laptops, desktop GPUs and mini PCs compared by one feature first: the memory your model can actually use — then everything else.
Specifications from manufacturer listings. Prices from retailer listings; check the retailer for the current price.