Stepfun AI Step 3 5 Flash speed on NVIDIA H200 SXM 141GB and quantization-level VRAM fit.
NVIDIA H200 SXM 141GB meets the minimum VRAM requirement for Q4 inference of Stepfun AI Step 3 5 Flash. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
NVIDIA H200 SXM 141GB can run Stepfun AI Step 3 5 Flash with Q4 quantization. At approximately 83 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 41GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 100GB | 141GB | 82.71 tok/s | ✅ Fits comfortably |
| Q8 | 200GB | 141GB | 57.90 tok/s | ❌ Not recommended |
| FP16 | 399GB | 141GB | 31.43 tok/s | ❌ Not recommended |
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NVIDIA H200 SXM 141GB can run Stepfun AI Step 3 5 Flash at Q4 with an estimated 83 tok/s.
Q4 inference is estimated to need about 100GB VRAM on this page, while NVIDIA H200 SXM 141GB has 141GB available.
If you need more speed or context headroom, compare alternative GPUs below and check higher-tier VRAM options.