Will it run? / Mistral medium 3.5 128B / Mac Studio M5 Ultra (256GB)

Can the Mac Studio M5 Ultra (256GB) run Mistral medium 3.5 128B?

Comfortable Yes, at about 12 tokens/sec (estimated). That reads at a comfortable pace.

12estimated tokens/sec
81.5 GBmemory needed
192 GBavailable to the model
1228.8 GB/smemory bandwidth
ollama run mistral-medium-3.5:128b

Check the Mac Studio M5 Ultra (256GB) price →

How we got this number

Each generated token reads the whole model from memory once: 80 GB. The Mac Studio M5 Ultra (256GB) moves 1228.8 GB/s, so the ceiling is 15 tokens/sec. Real machines reach a fraction of that ceiling; we use 80%, calibrated against a measured Mac run. Send us your real numbers and we'll replace the estimate.

Faster machines for Mistral medium 3.5 128B

Mac Studio M5 Ultra (96GB)7.4 tok/s$5,499Check price →
NVIDIA DGX Spark (128GB)2.4 tok/sCheck price →
Ryzen AI Max+ 395 mini PC (128GB)2.2 tok/sCheck price →

Other models on the Mac Studio M5 Ultra (256GB)

Nemotron 3.5 lightning 30B (A3B)Fast120+ tok/s
Qwen 3 30B (A3B)Fast120+ tok/s
Gemma 4 26B (A4B)Fast120+ tok/s
Qwen3.5 35B (A3B)Fast120+ tok/s
gpt-oss 120BFast120+ tok/s
Qwen3 Coder 30B (A3B)Fast120+ tok/s