Gemma 4 31B needs ~53.4 GB VRAM. H100 NVL 188GB has 188.0 GB. With Q4_K_M quantization, expect ~354 tok/s.
Operating mode
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
Fit status
Runs well
Decode
354.2 tok/s
TTFT
547 ms
Safe context
163K
Memory
53.4 GB / 188.0 GB
This setup is broadly balanced for this model.
No major red flags
This recommendation has enough memory headroom and acceptable estimated speed for the selected workload.
| Workload | Grade | Fit | Decode | TTFT | Context |
|---|---|---|---|---|---|
| Chat | A | Runs well | 354.2 tok/s | 350 ms | 163K |
| Coding | A | Runs well | 354.2 tok/s | 547 ms | 163K |
| Agentic Coding | S | Runs well | 354.2 tok/s | 795 ms | 163K |
| Reasoning | A | Runs well | 354.2 tok/s | 646 ms | 163K |
| RAG | S | Runs well | 354.2 tok/s | 994 ms | 163K |
How Gemma 4 31B (30.700000762939453B params) fits at each quantization level on H100 NVL 188GB (188.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 12.0 GB | Low | A74 |
Q3_K_S | 3 | 15.0 GB | Low | A74 |
NVFP4 | 4 |
Copy-paste commands to run Gemma 4 31B on your machine.
Run
ollama run gemma4:31bYour hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 123B | S | 91.6 tok/s | ||
| 122B | S |
Yes, H100 NVL 188GB can run Gemma 4 31B with a A grade (Runs well). Expected decode speed: 354.2 tok/s.
Gemma 4 31B (30.700000762939453B parameters) requires approximately 53.4 GB of memory with Q4_K_M quantization.
The recommended quantization for Gemma 4 31B is Q4_K_M, which balances quality and memory efficiency.
On H100 NVL 188GB, Gemma 4 31B achieves approximately 354.2 tokens per second decode speed with a time-to-first-token of 547ms using Q4_K_M quantization.
For coding workloads, Gemma 4 31B on H100 NVL 188GB receives a A grade with 354.2 tok/s and 163K context.
On H100 NVL 188GB, Gemma 4 31B can safely use up to 163K tokens of context. The model's official context limit is 256K, but available memory constrains the safe maximum.
Paste this snippet into any page to show a live fit card.
<iframe src="https://willitrunai.com/embed/gemma-4-31b-on-h100-nvl-188gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
Preview:
17.2 GB |
| Medium |
| A74 |
Q4_K_M | 4 | 18.7 GB | Medium | A74 |
Q5_K_M | 5 | 22.1 GB | High | A75 |
Q6_K | 6 | 25.2 GB | High | A75 |
Q8_0 | 8 | 32.8 GB | Very High | A76 |
F16Best for your GPU | 16 | 62.9 GB | Maximum | A79 |
| 254 tok/s |
| 284B | S | 136.1 tok/s |
| 35B | S | 802.9 tok/s |
| 35B | S | 873.2 tok/s |