Will it run? / Qwen3.8 flash next 125B (A6B) / Mac Studio M5 Max (40-core GPU, 64GB)

Can the Mac Studio M5 Max (40-core GPU, 64GB) run Qwen3.8 flash next 125B (A6B)?

Won't fit No. Qwen3.8 flash next 125B (A6B) needs about 121.5 GB of memory, and the Mac Studio M5 Max (40-core GPU, 64GB) can give a model about 48 GB. You'd need a machine with more memory, or a smaller model.

–estimated tokens/sec
121.5 GBmemory needed
48 GBavailable to the model
614 GB/smemory bandwidth

Check the Mac Studio M5 Max (40-core GPU, 64GB) price →

How we got this number

Each generated token reads the active part of the model from memory once: 5.8 GB. The Mac Studio M5 Max (40-core GPU, 64GB) moves 614 GB/s, so the ceiling is 106 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 Qwen3.8 flash next 125B (A6B)

Mac Studio M5 Ultra (256GB)84 tok/s$9,499Check price →
NVIDIA DGX Spark (128GB)9.8 tok/sCheck price →
Ryzen AI Max+ 395 mini PC (128GB)9.2 tok/sCheck price →

Other models on the Mac Studio M5 Max (40-core GPU, 64GB)

Nemotron 3.5 lightning 30B (A3B)Fast109 tok/s
mixtral 8X7BFast41 tok/s
Nemotron 3 33BComfortable18 tok/s
Llama 2 70BComfortable13 tok/s
Code Llama 70BComfortable13 tok/s
orca mini 70BComfortable13 tok/s