GLM 4.6V

107.7B total, 14.3B active · 128k context · MIT · released 2025-12-07

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In short

GLM 4.6V is an open model from Z.ai with 107.7B parameters (14.3B active per token). At Q4_K_M, GLM 4.6V needs about 68 GB of memory at 8k context and 68 GB at 8k, counting the weights, the KV cache and runtime buffers. The cheapest hardware in the US that runs GLM 4.6V fully in memory at 8k context is the Mac Studio M3 Ultra 96GB, $4,399 at eBay, at about 29 tok/s (estimated).

Updated . Speeds are estimates; how they are worked out.

What to run it on in the US

Fully in memory at 8k context, priced at retailers today.

All hardware that runs it

Everything we price, best value first. Two cards split the model by layers.

HardwareQuantFitsDecodePricetok/s per 1,000
Framework Desktop Ryzen AI Max+ 395 128GBQ4_K_Mfits8 tok/s$3,4492.3
GMKtec EVO-X2 Ryzen AI Max+ 395 128GBQ4_K_Mfits8 tok/s$3,6502.1
Mac Studio M3 Ultra 96GBQ4_K_Mfits29 tok/s$4,3996.7
Mac Studio M4 Max 128GBQ4_K_Mfits20 tok/s$4,9993.9
ASUS Ascent GX10 128GBQ8_0fits6 tok/s$6,1001.0
NVIDIA DGX Spark 128GBQ8_0fits6 tok/s$7,3990.8
NVIDIA RTX PRO 6000 BlackwellQ4_K_Mfits61 tok/s$7,9977.7
Mac Studio M3 Ultra 256GBQ8_0fits19 tok/s$8,4992.3
Mac Studio M3 Ultra 512GBQ8_0fits19 tok/s$23,0000.8

31 other cards and machines we price cannot hold it at this context.

Memory needed

Weights, KV cache and runtime buffers at each context length (KV cache at fp16).

QuantFile@8k@32k@64k@128k
Q4_K_Mgguf65.6 GB67.8 GB72.2 GB78.2 GB90.1 GB
Q8_0gguf105.8 GB108.0 GB112.4 GB118.4 GB130.3 GB

Run it

Copy a command for the runtime you use.

  • Q4_K_M
    • Ollamaollama run hf.co/ggml-org/GLM-4.6V-GGUF:Q4_K_M
    • LM Studiolms get ggml-org/GLM-4.6V-GGUF@q4_k_m
    • llama.cppllama-server -hf ggml-org/GLM-4.6V-GGUF:Q4_K_M
  • Q8_0
    • Ollamaollama run hf.co/ggml-org/GLM-4.6V-GGUF:Q8_0
    • LM Studiolms get ggml-org/GLM-4.6V-GGUF@q8_0
    • llama.cppllama-server -hf ggml-org/GLM-4.6V-GGUF:Q8_0

Notes

Needs vLLM 0.12.0 or later with transformers 5.0.0rc0 or later, or SGLang 0.5.6.post1 or later. The card says text-only QA is still weak and the model may overthink or repeat itself.

Questions

How much VRAM does GLM 4.6V need?
At Q4_K_M, GLM 4.6V needs about 68 GB of memory at 8k context and 68 GB at 8k, counting the weights, the KV cache and runtime buffers.
What is the best GPU for running GLM 4.6V locally?
The cheapest hardware in the US that runs GLM 4.6V fully in memory at 8k context is the Mac Studio M3 Ultra 96GB, $4,399 at eBay, at about 29 tok/s (estimated). The best value is the NVIDIA RTX PRO 6000 Blackwell (about 61 tok/s for $7,997). The fastest we price is the NVIDIA RTX PRO 6000 Blackwell, at about 61 tok/s.
Can I run GLM 4.6V on a 16 GB GPU?
No: it does not fit in 16 GB at 8k context, even with system RAM.
Can I run GLM 4.6V on a 24 GB GPU?
No: it does not fit in 24 GB at 8k context, even with system RAM.
How do I run GLM 4.6V locally?
With Ollama: ollama run hf.co/ggml-org/GLM-4.6V-GGUF:Q4_K_M (the Q4_K_M build). LM Studio and llama.cpp commands are on this page.
What licence is GLM 4.6V released under?
MIT, which allows commercial use.