Can I Run GLM-4.7 / GLM-Z1 on NVIDIA L40S?

Written by Jakub Rusinowski · Last updated August 15, 2026

Yes, comfortably — you'll have ~28.7 GB of headroom running GLM-Z1 32B (Reasoning) at Q4_K_M (19.32 GB, ~36 tok/s (est.)) with room for up to 64K context.

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NVIDIA L40S 48GB
48 GB VRAM · 350 W board power
2026 prices are volatile — check the current listing.
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NVIDIA L40S Specs

VRAM48 GB
Memory Bandwidth864 GB/s

GLM-Z1 32B (Reasoning) on the NVIDIA L40S: VRAM by quantization

QuantVRAM neededFits 48 GB?Max context
F1665.7 GB✗ No
Q8_035.7 GB✓ Yes32K
Q6_K28 GB✓ Yes64K
Q5_K_M24.4 GB✓ Yes64K
Q4_K_M21 GB✓ Yes64K
Q3_K_M15.4 GB✓ Yes64K
Q2_K12.2 GB✓ Yes64K

VRAM needed assumes a 4K-token context with an f16 KV cache; “Max context” is the largest window that still fits in 48 GB. Figures are estimates from parameter count, quantization and memory bandwidth — the analyzer lets you tune KV-cache quant and context.

GLM-4.7 / GLM-Z1 Sizes That Fit the NVIDIA L40S

GLM-Z1 32B (Reasoning)Q4_K_M · 19.32 GB · ~36 tok/s (est.)
GLM-4.7-Flash 30B-A3BQ4_K_M · 18.1125 GB · ~178 tok/s (est.)
GLM-4.7 9BQ4_K_M · 5.43375 GB · ~102 tok/s (est.)
Buy vs. rent GLM-4.7 / GLM-Z1
Buy the GPU
~$7,499
NVIDIA L40S · MSRP
Rent by the hour
from $0.34/hr
RTX 4090 (24 GB) class

At 2 hrs/day, buying (~$7,499) beats renting at $0.34/hr after about 30.6 years.

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RunPod $0.34/hr
Rent on RunPod →
Vast.ai $0.35/hr · typical low · varies
Rent on Vast.ai →

Cloud rates verified 2026-07 — estimates, and marketplace prices vary. Buying price is GPU MSRP only, not a full PC.

FAQ

Is the NVIDIA L40S enough to run GLM-4.7 / GLM-Z1 locally?

Yes, comfortably — you'll have ~28.7 GB of headroom running GLM-Z1 32B (Reasoning) at Q4_K_M (19.32 GB, ~36 tok/s (est.)) with room for up to 64K context.

What's the best GLM-4.7 / GLM-Z1 size for the NVIDIA L40S?

GLM-Z1 32B (Reasoning) at Q4_K_M quantization (19.32 GB), estimated ~36 tokens/sec, up to 64K context.

GLM-4.7 / GLM-Z1 on Other GPUs

Popular Models on the NVIDIA L40S

VRAM Tier

Troubleshooting

Buying Guide

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