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Can the Apple M3 Ultra (256GB) run GLM-4.5-Air 106B-A12B?

Apple M3 Ultra (256GB) × GLM-4.5-Air 106B-A12B8K context
YesRuns fully on the GPU
Memory at Q8_0114.8 GB of 192 GB
Weights 112.6 GBKV cache 1.5 GBRuntime 0.6 GB
QuantQ8_0Near-lossless
Speed~39tokens per second
Max context128Kthe 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 M3 Ultra (256GB) can run GLM-4.5-Air 106B-A12B fully in unified memory at Q8_0 (near-lossless), using about 114.8 GB of the 192 GB available, at roughly 39 tokens/second.

Try other context lengths

Run it in the cloud

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Memory needed by quantization

At 8,192 tokens of context. The black line marks the 192 GB the Apple M3 Ultra (256GB) can use. macOS lets the GPU use about 192 GB of the 256 GB unified memory by default.

QuantQualityMemoryFits?Speed
FP16Full quality214.1 GBToo big—
Q8_0Near-lossless114.8 GBFits~39 tok/s
Q6_KExcellent89.1 GBFits~50 tok/s
Q5_K_MVery good77.5 GBFits~58 tok/s
Q4_K_MGood, most popular66.4 GBFits~68 tok/s
Q3_K_MNoticeably degraded54 GBFits~84 tok/s
Q2_KHeavily degraded41.9 GBFits~109 tok/s

Measured speed from real Apple M3 Ultra (256GB) owners

Tokens per second that people measured on their own Apple M3 Ultra (256GB), next to our estimate.

No one has measured GLM-4.5-Air 106B-A12B on the Apple M3 Ultra (256GB) yet. The speeds above are estimates. Run the benchmark and yours becomes the first real number on this page.

Have an Apple M3 Ultra (256GB)? Add your real speed

One command times GLM-4.5-Air 106B-A12B 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 GLM-4.5-Air 106B-A12B comfortably

Models that run well on the Apple M3 Ultra (256GB)

Frequently asked questions

Can Apple M3 Ultra (256GB) run GLM-4.5-Air 106B-A12B?

Yes. The Apple M3 Ultra (256GB) can run GLM-4.5-Air 106B-A12B fully in unified memory at Q8_0 (near-lossless), using about 114.8 GB of the 192 GB available, at roughly 39 tokens/second.

How much VRAM does GLM-4.5-Air 106B-A12B need?

About 66.4 GB at Q4_K_M with 8,192 tokens of context, and about 214.1 GB at full FP16 precision.

How fast is GLM-4.5-Air 106B-A12B on the Apple M3 Ultra (256GB)?

Roughly 39 tokens per second at Q8_0, estimated from the Apple M3 Ultra (256GB)'s 819 GB/s memory bandwidth.