Openai Gpt Oss 20B speed on NVIDIA A5000 and quantization-level VRAM fit.
NVIDIA A5000 meets the minimum VRAM requirement for Q4 inference of Openai Gpt Oss 20B. Review the quantization breakdown below to see how higher precision settings impact VRAM and throughput.
NVIDIA A5000 can run Openai Gpt Oss 20B with Q4 quantization. At approximately 69 tokens/second, you can expect Good speed - acceptable for interactive use.
You have 14GB headroom, which is sufficient for system overhead and smooth operation.
| Quantization | VRAM needed | VRAM available | Estimated speed | Verdict |
|---|---|---|---|---|
| Q4 | 10GB | 24GB | 68.95 tok/s | ✅ Fits comfortably |
| Q8 | 20GB | 24GB | 48.26 tok/s | ✅ Fits comfortably |
| FP16 | 40GB | 24GB | 26.20 tok/s | ❌ Not recommended |
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NVIDIA A5000 can run Openai Gpt Oss 20B at Q4 with an estimated 69 tok/s.
Q4 inference is estimated to need about 10GB VRAM on this page, while NVIDIA A5000 has 24GB available.
If you need more speed or context headroom, compare alternative GPUs below and check higher-tier VRAM options.