Can I Run GPT-oss 120B on NVIDIA RTX PRO 6000 Blackwell?

Autor: Jakub Rusinowski · Ostatnia aktualizacja: 11 września 2026

Yes. GPT-oss 120B needs 70.5 GB at Q4_K_M and the NVIDIA RTX PRO 6000 Blackwell has 96 GB, leaving about 25.5 GB of headroom, at roughly 224 tok/s (estimated) with room for up to 128K of context.

The numbers

ModelGPT-oss 120B
Parameters120B
QuantizationQ4_K_M
VRAM needed70.5 GB
NVIDIA RTX PRO 6000 Blackwell VRAM96 GB
VerdictRuns
Max context128K
Estimated speed~224 tok/s

What to do next

Nothing to change — run it at Q4_K_M. If you want more capability, check whether the next size up also fits.

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Running GPT-oss 120B on this card:

NVIDIA RTX PRO 6000 Blackwell 96GB
96 GB VRAM · 600 W board power
Ceny w 2026 są niestabilne — sprawdź aktualną ofertę.
Sprawdź cenę na Amazon

Buy vs. rent GPT-oss 120B
Buy the GPU
~$8,565
NVIDIA RTX PRO 6000 Blackwell · MSRP
Rent by the hour
from $0.77/hr
A100 (80 GB) class

At 2 hrs/day, buying (~$8,565) beats renting at $0.77/hr after about 15.4 years.

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Vast.ai $0.77/hr · typical low · varies
Rent on Vast.ai →
RunPod $1.39/hr
Rent on RunPod →

Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.

Other GPT-OSS sizes on the NVIDIA RTX PRO 6000 Blackwell

GPT-oss 120B on nearby hardware

All GPT-OSS sizes on the NVIDIA RTX PRO 6000 Blackwell | VRAM calculator for GPT-oss 120B | NVIDIA RTX PRO 6000 Blackwell GPU page | Check your hardware