Rent a GPU

Can the Apple M2 Ultra (192GB) run Qwen3.8 Flash Next?

Apple M2 Ultra (192GB) × Qwen3.8 Flash Next8K context
YesRuns fully on the GPU
Memory at Q5_K_M128.8 GB of 144 GB
Weights 128 GBKV cache 0.2 GBRuntime 0.6 GB
QuantQ5_K_MVery good
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

Yes. The Apple M2 Ultra (192GB) can run Qwen3.8 Flash Next fully in unified memory at Q5_K_M (very good), using about 128.8 GB of the 144 GB available, at roughly 112 tokens/second.

Try other context lengths

Run it in the cloud

No Apple M2 Ultra (192GB)? Run Qwen3.8 Flash Next in the cloud.

Rent a cloud GPU by the hour. No upfront cost, stop any time.

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 144 GB the Apple M2 Ultra (192GB) can use. macOS lets the GPU use about 144 GB of the 192 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 GBFits~112 tok/s
Q4_K_MGood, most popular109.9 GBFits~132 tok/s
Q3_K_MNoticeably degraded88.8 GBFits~164 tok/s
Q2_KHeavily degraded68.3 GBFits~213 tok/s

Measured speed from real Apple M2 Ultra (192GB) owners

Tokens per second that people measured on their own Apple M2 Ultra (192GB), next to our estimate.

No one has measured Qwen3.8 Flash Next on the Apple M2 Ultra (192GB) yet. The speeds above are estimates. Run the benchmark and yours becomes the first real number on this page.

Have an Apple M2 Ultra (192GB)? 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

Models that run well on the Apple M2 Ultra (192GB)

Frequently asked questions

Can Apple M2 Ultra (192GB) run Qwen3.8 Flash Next?

Yes. The Apple M2 Ultra (192GB) can run Qwen3.8 Flash Next fully in unified memory at Q5_K_M (very good), using about 128.8 GB of the 144 GB available, at roughly 112 tokens/second.

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 M2 Ultra (192GB)?

Roughly 112 tokens per second at Q5_K_M, estimated from the Apple M2 Ultra (192GB)'s 800 GB/s memory bandwidth.