Can the RTX A6000 run gpt-oss 120B?
No. gpt-oss 120B needs about 67 GB and the RTX A6000 has at most 48 GB of VRAM. Ollama can still start it by putting part of the model in system RAM, but it runs several times slower. The most capable model it runs well is Qwen3 32B, at about 21 tok/s.
gpt-oss 120B needsAbout 67 GB
RTX A6000 has48 GB VRAM
Bandwidth768 GB/s
Estimated speedDoesn't fit
What runs gpt-oss 120B
These cards have the memory for it, nearest to the RTX A6000 first. The cheapest build on our list that runs it well is the Ryzen AI Max+ 395 mini PC, 128 GB, from $3,400 used, at about 31 tok/s.
How we estimate
Speed is roughly memory bandwidth divided by the weights read per token, calibrated on our own rack. Sizes are Ollama's default 4-bit downloads plus about 1.2 GB for context. Real results are usually within about a third. Measured it yourself? Send us the number.
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