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Run LLM Locally

GLM-4.5-Air on the RTX PRO 6000 Blackwell

With 96 GB of VRAM, the RTX PRO 6000 Blackwell runs GLM-4.5-Air at Q4_K_M entirely on the GPU with an 8K context (about 73.7 GB needed). At Q8_0 it does not fit in VRAM.

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GLM-4.5-Air

Q4_K_M · 8K context

Excellent

The model needs about 73.7 GB and fits in the 93.1 GB available, with 19.4 GB to spare.

Your hardware
RTX PRO 6000 Blackwell 96 GB · 64 GB RAM
Estimated memory
~73.7 GB estimate
VRAM (usable memory)
93.1 GB
GPU only
Yes
CPU/GPU offload
Not required
Generation speed
84–127 tok/s estimate
Largest context in fast memory
110K tokens
Confidence: low

Based on: memory bandwidth (1,792 GB/s) and model size

Memory breakdown

~73.7 GB (71.9 GB–75.5 GB) needed · estimate

Fits entirely in VRAM · 19.4 GB left

  • Model weights68 GB
  • KV cache1.4 GB
  • Runtime overhead0.8 GB
  • Safety margin3.5 GB
Assumptions: context 8K tokens · KV cache f16 · llama.cpp (CUDA) · flash attention on · weights = real file size

EstimateData updated 40 days agoSource: Run LLM Locally engine, Hugging Face config.json + model card

What makes this estimate less reliable

  • no benchmark for this hardware and model yet
  • mixture-of-experts: speed depends on expert routing

Other quantizations on the RTX PRO 6000 Blackwell

GLM-4.5-Air on RTX PRO 6000 Blackwell + 64 GB RAM · 8K context
GLM-4.5-Air Q8_08K~117 GB · 6–12 tok/s estimateCPU/GPU offload
GLM-4.5-Air Q6_K8K~99.2 GB · 19–35 tok/s estimateCPU/GPU offload
GLM-4.5-Air Q5_K_M8K~84 GB · 77–116 tok/s estimateCompatible
GLM-4.5-Air Q4_K_M8K~73.7 GB · 84–127 tok/s estimateExcellent
GLM-4.5-Air IQ4_XS8K~61.5 GB · 93–145 tok/s estimateExcellent
GLM-4.5-Air Q3_K_M8K~58.3 GB · 96–150 tok/s estimateExcellent

Alternatives

GPUs that run GLM-4.5-Air Q4_K_M entirely in VRAM

    Other models that fit the RTX PRO 6000 Blackwell

    Where to buy a RTX PRO 6000 Blackwell

    Prices and links follow the market you choose.

    RTX PRO 6000 Blackwell Workstation Edition

    96 GB GDDR7 ECC · 1,792 GB/s · 600 W

    ExcellentRuns GLM-4.5-Air Q4_K_M entirely in memory

    Price not available

    Availability unknown

    View on amazon.com

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    Frequently asked questions

    Can the RTX PRO 6000 Blackwell run GLM-4.5-Air?
    The model needs about 73.7 GB and fits in the 93.1 GB available, with 19.4 GB to spare.
    Which quantization should I use on the RTX PRO 6000 Blackwell?
    Q5_K_M is the highest-precision quantization that fits entirely in VRAM at 8K context. ~84 GB / 93.1 GB.
    What is the largest context on the RTX PRO 6000 Blackwell?
    At Q4_K_M, about 110K tokens fit entirely in VRAM with an f16 KV cache. A q8_0 KV cache roughly doubles that.
    How fast is GLM-4.5-Air (RTX PRO 6000 Blackwell)?
    We estimate 84–127 tok/s (estimate, confidence low). Based on: memory bandwidth (1,792 GB/s) and model size.