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Can the NVIDIA H200 run GPT-1?
Yes — here's how fast and up to what context, with real measured numbers.
GPT-1 on the NVIDIA H200
| Quant | Fits? | Max context | Speed | Beyond context |
|---|---|---|---|---|
| FP16 | yes | 1953k | 14974.4-17846.2 t/s | ~124.8-148.7 (slow) |
| Q8 | yes | 1955k | 29948.7-35692.3 t/s | ~249.6-297.4 (slow) |
| Q4 | yes | 1955k | 53479.9-63736.3 t/s | ~445.7-531.1 (slow) |
Estimate (memory-bound). Beyond "max context" the KV cache spills to system RAM offload (depends on your system RAM) and speed drops to the "beyond" figure.
FAQ
Can the NVIDIA H200 run GPT-1?▶
Yes. At Q4 it generates ~53479.9-63736.3 tok/s and fits up to 1955k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~445.7-531.1 tok/s.
How much context fits?▶
At Q4, up to about 1955k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.