Can I Run GPT-oss 120B on Apple M4?
Written by Jakub Rusinowski · Last updated July 10, 2026
No — the GPT-oss 120B family does not fit in the Apple M4's 32 GB VRAM.
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Apple M4 Specs
| VRAM | 32 GB unified memory |
| Memory Bandwidth | 120 GB/s |
Why It Does Not Fit
Every GPT-oss 120B variant requires more VRAM than the Apple M4 provides (32 GB).
Nearest GPU That Fits
NVIDIA A100 80GB (80 GB VRAM).
NVIDIA A100 80GB PCIe
Launch MSRP: $15,000
2026 prices are volatile — check the current listing.
FAQ
Can I run GPT-oss 120B on the Apple M4?
No — the GPT-oss 120B family does not fit in the Apple M4's 32 GB VRAM.
What GPU should I get instead to run GPT-oss 120B?
The NVIDIA A100 80GB (80 GB VRAM) is the cheapest upgrade that fits it.
GPT-oss 120B on Other GPUs
Popular Models on the Apple M4
VRAM Tier
Troubleshooting
Buying Guide
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