OLMo 2 13B Instruct — VRAM Requirements
Written by Jakub Rusinowski · Last updated July 21, 2026
How much GPU VRAM you need to run OLMo 2 OLMo 2 13B Instruct by Allen AI locally, a 13B-parameter model. Figures are quantized weights + KV cache + framework overhead from a memory-bandwidth roofline model.
OLMo 2 13B Instruct needs about 9 GB VRAM at Q4_K_M.
VRAM by Quantization
| Quant | Bits/weight | Weights | Total VRAM |
|---|---|---|---|
| Q2_K | 2.63 | 4.3 GB | 5.1 GB |
| Q3_K_M | 3.41 | 5.5 GB | 6.3 GB |
| Q4_K_M | 4.83 | 7.8 GB | 8.6 GB |
| Q5_K_M | 5.67 | 9.2 GB | 10.0 GB |
| Q6_K | 6.56 | 10.7 GB | 11.5 GB |
| Q8_0 | 8.50 | 13.8 GB | 14.6 GB |
| F16 | 16.00 | 26.0 GB | 26.8 GB |
Switch quantization in the interactive calculator, or see the full OLMo 2 model page.
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[](https://llmconfigurator.com/en/vram-calculator/olmo-2-13b)Estimates only — actual VRAM varies with context length, batch size, runtime and KV-cache settings.