Try using Qwen3.6-27B-NVFP4 and Qwen3.6-35B-A3B-NVFP4 with dgx spark.

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The existing qwen3.5-122b I was using seemed less intelligent than expected and consumed a lot of RAM, leaving insufficient free memory, so I decided to look for an alternative and searched around

A version modified by NVIDIA was uploaded to Hugging Face

qwen3.6-27b dense, qwen3.6-35b-a3b like this

At first, I heard the dense model was good, so I downloaded and tried using it... but it's very slow

So I was thinking about going back to 122b, but since I heard 35b had similar performance, I downloaded it first, and it has Spark options

So I applied everything and uploaded it to vLLM and measured the token generation speed

| Item    | 27B (Previous) | 35B-A3B (Current) |
| ------- | -------------- | ----------------- |
| Context | 131K           | 262K              |
| VRAM    | 98GB           | 22GB              |
| RAM     | 109GB          | 79GB (including cache) |
| Speed   | 9 tok/s        | 105 tok/s         |

Roughly this is what I got. The 105 tokens were measured without OpenCode applied, so when OpenCode is actually applied, I get lower token generation, but it still produces more than 80

At this level, there's no problem with actual use

I heard that with 2 Sparks you can operate DeepSeek-4 Flash.... I heard MiniMax3 works too.... I'm jealous

Screenshot 2026-07-09 11:58:35 PM.png Screenshot 2026-07-10 12:51:31 AM.png
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