Rent a GPU

Can the Apple M4 Max (128GB) run Qwen3.8 Flash Next?

Apple M4 Max (128GB) × Qwen3.8 Flash Next8K context
Yes, with heavy quantizationFits only at a low-quality quant
Memory at Q3_K_M88.8 GB of 96 GB
Weights 88 GBKV cache 0.2 GBRuntime 0.6 GB
QuantQ3_K_MNoticeably degraded
Speed~112tokens per second
Max context256Kthe model's full window
  1. FP16
  2. Q8_0
  3. Q6_K
  4. Q5_K_M
  5. Q4_K_M
  6. Q3_K_M
  7. Q2_K

Only just. Qwen3.8 Flash Next fits on the Apple M4 Max (128GB) at Q3_K_M, which costs noticeable quality. Expect about 112 tokens/second. A card with more memory is a better experience.

Try other context lengths

Run it in the cloud

Want full quality? Run Qwen3.8 Flash Next on a bigger rented GPU.

Rent a cloud GPU by the hour. No upfront cost, stop any time. Not sure whether to rent or buy? Compare the cost.

Rent a GPU on RunPodRent a GPU on Vast.ai

Memory needed by quantization

At 8,192 tokens of context. The black line marks the 96 GB the Apple M4 Max (128GB) can use. macOS lets the GPU use about 96 GB of the 128 GB unified memory by default.

QuantQualityMemoryFits?Speed
FP16Full quality360.8 GBToo big—
Q8_0Near-lossless192.1 GBToo big—
Q6_KExcellent148.4 GBToo big—
Q5_K_MVery good128.8 GBToo big—
Q4_K_MGood, most popular109.9 GBToo big—
Q3_K_MNoticeably degraded88.8 GBFits~112 tok/s
Q2_KHeavily degraded68.3 GBFits~146 tok/s

Measured speed from real Apple M4 Max (128GB) owners

Tokens per second that people measured on their own Apple M4 Max (128GB), next to our estimate.

No one has measured Qwen3.8 Flash Next on the Apple M4 Max (128GB) yet. The speeds above are estimates. Run the benchmark and yours becomes the first real number on this page.

Have an Apple M4 Max (128GB)? Add your real speed

One command times Qwen3.8 Flash Next in your own Ollama, shows you exactly what it would send, and asks before sending anything. No sign-up, no personal data.

macOS and Linux

curl -fsSL https://gpufit.dev/bench.sh | sh

Windows (PowerShell)

irm https://gpufit.dev/bench.ps1 | iex

How the benchmark works

GPUs that run Qwen3.8 Flash Next comfortably

Check Mac Studio M3 Ultra (256 GB) prices

Models that run well on the Apple M4 Max (128GB)

Frequently asked questions

Can Apple M4 Max (128GB) run Qwen3.8 Flash Next?

Only just. Qwen3.8 Flash Next fits on the Apple M4 Max (128GB) at Q3_K_M, which costs noticeable quality. Expect about 112 tokens/second. A card with more memory is a better experience.

How much VRAM does Qwen3.8 Flash Next need?

About 109.9 GB at Q4_K_M with 8,192 tokens of context, and about 360.8 GB at full FP16 precision.

How fast is Qwen3.8 Flash Next on the Apple M4 Max (128GB)?

Roughly 112 tokens per second at Q3_K_M, estimated from the Apple M4 Max (128GB)'s 546 GB/s memory bandwidth.