Can GLM-5 run on H100 NVL 188GB?
NO — Won't Fit
GLM-5 needs ~494.1 GB but H100 NVL 188GB only has 188.0 GB. Try a smaller quantization or lighter model.
Operating mode
Choose the run profile you care about
Interactive favors responsiveness, while light API and scale-out lean harder on serving readiness. The fit stays the same, but the recommendation lens changes.
Current mode
Balanced
Balanced for general local use. Keeps the ranking neutral across personal and serving workflows.
Select quantization to explore
306.1 GB over capacity — needs offload or smaller quantization
Fit status
Too heavy
Decode
3.8 tok/s
TTFT
50336 ms
Safe context
4K
Memory
494.1 GB / 188.0 GB
Offload
60%
Memory breakdown
See how fast it feels
With memory offload — actual speed may be lowerWhat limits this setup
Usable VRAM is the main blocker for this model.
Not enough usable memory
The model needs 494.1 GB, but this setup only exposes 188.0 GB of usable VRAM.
Best improvement path
Add more VRAM headroom
The first useful upgrade is more dedicated VRAM so you can fit the model without shrinking context or dropping to a much lower quant.
Performance by workload
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | F | Too heavy | 4.0 tok/s | 26589 ms | 4K |
| Coding | F | Too heavy | 3.8 tok/s | 50336 ms | 4K |
| Agentic Coding | F | Too heavy | 3.6 tok/s | 77930 ms | 4K |
| Reasoning | F | Too heavy | 3.8 tok/s | 59488 ms | 4K |
| RAG | F | Too heavy | 3.6 tok/s | 97413 ms | 4K |
Quantization options
How GLM-5 (744B params) fits at each quantization level on H100 NVL 188GB (188.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 290.2 GB | Low | F0 |
Q3_K_S | 3 | 364.6 GB | Low | F0 |
NVFP4 | 4 | 416.6 GB | Medium | F0 |
Q4_K_M | 4 | 453.8 GB | Medium | F0 |
Q5_K_M | 5 | 535.7 GB | High | F0 |
Q6_K | 6 | 610.1 GB | High | F0 |
Q8_0 | 8 | 796.1 GB | Very High | F0 |
F16 | 16 | 1525.2 GB | Maximum | F0 |
