Can I run Mellum2.1-12B-A2.5B-Thinking on a Mac with 16 GB?
Yes, with a GGUF version
The published weights are too big, but the Mellum2.1-12B-A2.5B-Thinking-MTP-Q4_K_M file from JetBrains/Mellum2.1-12B-A2.5B-Thinking-GGUF (8.33 GB) fits, with room for ≈ 128K tokens of context.
Full analysis of Mellum2.1-12B-A2.5B-Thinking
Everything that runs on Mac with 16 GB
Get the Mellum2.1-12B-A2.5B-Thinking-MTP-Q4_K_M file on Hugging Face
ollama run hf.co/JetBrains/Mellum2.1-12B-A2.5B-Thinking-GGUFFiles and context on Mac with 16 GB
Each file of Mellum2.1-12B-A2.5B-Thinking (and of GGUF versions the site has analyzed), and how much context fits next to it, with the context cache in 16-bit or 8-bit.
| File | Size | On Mac with 16 GB | Context (16-bit) | Context (8-bit) |
|---|---|---|---|---|
| As published | 24.3 GB | Doesn't fit | — | — |
| Mellum2.1-12B-A2.5B-Thinking-MTP-BF16 | 25.2 GB | Doesn't fit | — | — |
| BF16 | 24.3 GB | Doesn't fit | — | — |
| Mellum2.1-12B-A2.5B-Thinking-MTP-Q8_0 | 13.4 GB | Doesn't fit | — | — |
| Q8_0 | 12.9 GB | Doesn't fit | — | — |
| Mellum2.1-12B-A2.5B-Thinking-MTP-Q6_K | 11.3 GB | Doesn't fit | — | — |
| Q6_K | 10.9 GB | Doesn't fit | — | — |
| Mellum2.1-12B-A2.5B-Thinking-MTP-Q4_K_M | 8.33 GB | Fits | 128K | 128K |
| Q4_K_M | 8.07 GB | Fits | 128K | 128K |
| Mellum2.1-12B-A2.5B-Thinking-MTP-MXFP4_MOE | 7.27 GB | Fits | 128K | 128K |
| MXFP4_MOE | 7.03 GB | Fits | 128K | 128K |
Mellum2.1-12B-A2.5B-Thinking on other hardware
- NVIDIA H100Yes
- RTX 5090Yes, just
- RTX 4090Yes, with a GGUF version
- RTX 3090Yes, with a GGUF version
- RTX 5060 Ti 16 GBYes, with a GGUF version
- RTX 3060 12 GBYes, with a GGUF version
- RTX 4060Yes, with a GGUF version
- Mac with 16 GBYes, with a GGUF version
- Mac with 32 GBYes, with a GGUF version
- Mac with 64 GBYes
- Mac with 128 GBYes