Can I Run GPT-oss 120B on NVIDIA GeForce RTX 5090?

作者： Jakub Rusinowski · 最后更新： 2026年6月15日

No — the GPT-oss 120B family does not fit in the NVIDIA GeForce RTX 5090's 32 GB VRAM.

NVIDIA GeForce RTX 5090 Specs

VRAM	32 GB
Memory Bandwidth	1792 GB/s

Why It Does Not Fit

Every GPT-oss 120B variant requires more VRAM than the NVIDIA GeForce RTX 5090 provides (32 GB).

Nearest GPU That Fits

Apple M2 Max (96 GB VRAM).

FAQ

Can I run GPT-oss 120B on the NVIDIA GeForce RTX 5090?

No — the GPT-oss 120B family does not fit in the NVIDIA GeForce RTX 5090's 32 GB VRAM.

What GPU should I get instead to run GPT-oss 120B?

The Apple M2 Max (96 GB VRAM) is the cheapest upgrade that fits it.

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