Qwen 3.5 122B A10B needs ~96.6 GB VRAM. H100 NVL 188GB has 188.0 GB. With Q4_K_M quantization, expect ~254 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
254.0 tok/s
TTFT
762 ms
Safe context
131K
Memory
96.6 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 | S | Runs well | 254.0 tok/s | 416 ms | 131K |
| Coding | S | Runs well | 254.0 tok/s | 762 ms | 131K |
| Agentic Coding | S | Runs well | 254.0 tok/s | 1109 ms | 131K |
| Reasoning | S | Runs well | 254.0 tok/s | 901 ms | 131K |
| RAG | S | Runs well | 254.0 tok/s | 1386 ms | 131K |
How Qwen 3.5 122B A10B (122B params) fits at each quantization level on H100 NVL 188GB (188.0 GB usable).
| Quant | Bits | VRAM | Quality | Fit |
|---|---|---|---|---|
Q2_K | 2 | 47.6 GB | Low | A84 |
Q3_K_S | 3 | 59.8 GB | Low | S85 |
NVFP4 | 4 | 68.3 GB | Medium | S86 |
Q4_K_M | 4 | 74.4 GB | Medium | S87 |
Q5_K_M | 5 | 87.8 GB | High | S88 |
Q6_K | 6 | 100.0 GB | High | S90 |
Q8_0Best for your GPU | 8 | 130.5 GB | Very High | S90 |
F16 | 16 | 250.1 GB | Maximum | F0 |
Copy-paste commands to run Qwen 3.5 122B A10B on your machine.
Run
lms load Qwen3.5-122B-A10B-Instruct && lms server startYour hardware
| Model | Params | Grade | Decode | Capabilities |
|---|---|---|---|---|
| 123B | S | 91.6 tok/s |
Yes, H100 NVL 188GB can run Qwen 3.5 122B A10B with a S grade (Runs well). Expected decode speed: 254.0 tok/s.
Qwen 3.5 122B A10B (122B parameters) requires approximately 96.6 GB of memory with Q4_K_M quantization.
The recommended quantization for Qwen 3.5 122B A10B is Q4_K_M, which balances quality and memory efficiency.
On H100 NVL 188GB, Qwen 3.5 122B A10B achieves approximately 254.0 tokens per second decode speed with a time-to-first-token of 762ms using Q4_K_M quantization.
For coding workloads, Qwen 3.5 122B A10B on H100 NVL 188GB receives a S grade with 254.0 tok/s and 131K context.
On H100 NVL 188GB, Qwen 3.5 122B A10B can safely use up to 131K tokens of context. The model's official context limit is 131K, 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/qwen-3.5-122b-a10b-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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