Gemma 4 31B needs ~52.6 GB VRAM. NVIDIA B200 180GB has 180.0 GB. With Q4_K_M quantization, expect ~377 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
376.8 tok/s
TTFT
514 ms
Safe context
155K
Memory
52.6 GB / 180.0 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 | 376.8 tok/s | 350 ms | 155K |
| Coding | A | Runs well | 376.8 tok/s | 514 ms | 155K |
| Agentic Coding | S | Runs well | 376.8 tok/s | 747 ms | 155K |
| Reasoning | A | Runs well | 376.8 tok/s | 607 ms | 155K |
| RAG | S | Runs well | 376.8 tok/s | 934 ms | 155K |
How Gemma 4 31B (30.700000762939453B params) fits at each quantization level on NVIDIA B200 180GB (180.0 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 | 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 | A80 |
Copy-paste commands to run Gemma 4 31B on your machine.
Run
ollama run gemma4:31bYour hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 123B | S | 97.4 tok/s | ||
| 122B | S | 270.2 tok/s | ||
| 284B | S | 144.8 tok/s | ||
| 35B | S | 854 tok/s | ||
| 35B | S | 928.7 tok/s |
Yes, NVIDIA B200 180GB can run Gemma 4 31B with a A grade (Runs well). Expected decode speed: 376.8 tok/s.
Gemma 4 31B (30.700000762939453B parameters) requires approximately 52.6 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 NVIDIA B200 180GB, Gemma 4 31B achieves approximately 376.8 tokens per second decode speed with a time-to-first-token of 514ms using Q4_K_M quantization.
For coding workloads, Gemma 4 31B on NVIDIA B200 180GB receives a A grade with 376.8 tok/s and 155K context.
On NVIDIA B200 180GB, Gemma 4 31B can safely use up to 155K 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-b200-180gb" width="400" height="180" frameborder="0" style="border:none;border-radius:12px;overflow:hidden;" title="Will It Run AI — fit result"></iframe>
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