Written by Jakub Rusinowski · Last updated October 16, 2024
Model library → Ministral → Ministral 8B
The best lightweight Mistral model. Outstanding reasoning scores for 8B size. Works on 6 GB VRAM cards (RTX 3060, RTX 4060, RX 7600). Very fast at 60–90 tokens/sec.
Ministral 8B needs about 6 GB of VRAM at Q4_K_M — quantized weights plus framework overhead, before any KV cache. On Apple Silicon that figure comes out of unified memory.
| Parameters | 8 Billion |
| Context window | 32,768 |
| Architecture | Dense, Decoder-only |
| Provider | Mistral AI |
| Licence | Mistral Research |
| Specified at | Q4_K_M |
| System RAM | 16 GB |
| Record updated | 2024-10-16 |
Mistral Research — research / non-commercial only. Research / non-commercial only — this licence does NOT permit shipping a commercial product.
Modelled on a reference NVIDIA RTX 4090 (24 GB), at 8K context. Speed figures are ESTIMATES from the memory-bandwidth roofline described on the methodology page, not benchmarks we ran — rows marked measured come from published or reader-submitted runs. VRAM here includes the KV cache, so it reads higher than the headline figure above, which does not.
| Quant | Weights | VRAM needed | Est. speed | Fit on 24 GB |
|---|---|---|---|---|
| Q2_K | 2.6 GB | 4.6 GB | ~153 tok/s (est.) | Fits comfortably |
| Q3_K_M | 3.4 GB | 5.4 GB | ~132 tok/s (est.) | Fits comfortably |
| Q4_K_M | 4.8 GB | 6.9 GB | ~106 tok/s (est.) | Fits comfortably |
| Q5_K_M | 5.7 GB | 7.7 GB | ~95 tok/s (est.) | Fits comfortably |
| Q6_K | 6.6 GB | 8.6 GB | ~85 tok/s (est.) | Fits comfortably |
| Q8_0 | 8.5 GB | 10.5 GB | ~70 tok/s (est.) | Fits comfortably |
| F16 | 16.0 GB | 18.0 GB | ~41 tok/s (est.) | Fits comfortably |
Want the memory numbers alone, at every quantization level and your own context length? Use the Ministral 8B VRAM calculator.
or compare on Vast.ai from $0.35/hr (typical low · varies)
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The cheapest catalogued GPU that runs Ministral 8B is the Intel Arc B570 (10 GB).
Install Ollama, then run:
ollama run ministral:8b
Weights on Hugging Face: mistralai/Ministral-8B-Instruct-2410.
Best for: chat, coding, reasoning, rag.
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