Yi 1.5 6B needs ~24.6 GB VRAM. H100 NVL 188GB has 188.0 GB. With Q4_K_M quantization, expect ~84 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
84.0 tok/s
TTFT
2305 ms
Safe context
4K
Memory
24.6 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 | C | Runs well | 84.0 tok/s | 1257 ms | 4K |
| Coding | C | Runs well | 84.0 tok/s | 2305 ms | 4K |
| Agentic Coding | C | Runs well | 84.0 tok/s | 3352 ms | 4K |
| Reasoning | C | Runs well | 84.0 tok/s | 2724 ms | 4K |
| RAG | C | Runs well | 84.0 tok/s | 4190 ms | 4K |
How Yi 1.5 6B (6B params) fits at each quantization level on H100 NVL 188GB (188.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 2.3 GB | Low | D37 |
Q3_K_S | 3 | 2.9 GB | Low | D37 |
NVFP4 | 4 | 3.4 GB | Medium | D37 |
Q4_K_M | 4 | 3.7 GB | Medium | D37 |
Q5_K_M | 5 | 4.3 GB | High | D37 |
Q6_K | 6 | 4.9 GB | High | D37 |
Q8_0 | 8 | 6.4 GB | Very High | D37 |
F16Best for your GPU | 16 | 12.3 GB | Maximum | D37 |
Copy-paste commands to run Yi 1.5 6B on your machine.
Run
lms load Yi-1.5-6B-Chat && lms server startYes, H100 NVL 188GB can run Yi 1.5 6B with a C grade (Runs well). Expected decode speed: 84.0 tok/s.
Yi 1.5 6B (6B parameters) requires approximately 24.6 GB of memory with Q4_K_M quantization.
The recommended quantization for Yi 1.5 6B is Q4_K_M, which balances quality and memory efficiency.
On H100 NVL 188GB, Yi 1.5 6B achieves approximately 84.0 tokens per second decode speed with a time-to-first-token of 2305ms using Q4_K_M quantization.
For coding workloads, Yi 1.5 6B on H100 NVL 188GB receives a C grade with 84.0 tok/s and 4K context.
On H100 NVL 188GB, Yi 1.5 6B can safely use up to 4K tokens of context. The model's official context limit is 4K, 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/yi-1.5-6b-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>
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