LFM2.5-8B-A1B: hardware requirements
LFM2.5-8B-A1B needs about 5.9 GB of memory at Q4 quantization — a 5.2 GB download plus room for context and overhead. That fits a machine with 16GB RAM.
This is a mixture-of-experts model. Only a fraction of its 8.5B parameters are used for each token, so it runs faster than its size suggests — but all of it still has to fit in memory. The speed is that of a small model; the memory requirement is that of a large one. More on this →
Will it run on your machine?
Download sizes by quantization
Lower quantization means a smaller file and less memory, at some cost to quality. Q4_K_M is the usual starting point. What is this?
| Quant | Download | RAM @ 4K | RAM @ 32K | Source |
|---|---|---|---|---|
| Q4_K_Mrecommended | 5.2 GB | 5.9 GB | 7.3 GB | measured |
| Q5_K_M | 6.0 GB | 6.8 GB | 8.2 GB | measured |
| Q6_K | 7.0 GB | 7.9 GB | 9.3 GB | measured |
| Q8_0 | 9.0 GB | 10 GB | 12 GB | measured |
| BF16 | 17 GB | 19 GB | 20 GB | measured |
“Measured” sizes are read from published GGUF files (LiquidAI/LFM2.5-8B-A1B-GGUF). “Estimated” sizes are derived from the parameter count and are typically within a few percent. The RAM columns add the context cache and runtime overhead to the download size.