// RUN โ€” FITS

Can the NVIDIA H200 run NVIDIA Cosmos 3?

Yes โ€” here's how fast and up to what context, with real measured numbers.

NVIDIA Cosmos 3 on the NVIDIA H200

QuantFits?Max contextSpeedBeyond context
FP16 yes 671 27.4-32.6 t/s ~0.2-0.3 (slow)
Q8 yes 196k 54.8-65.3 t/s ~0.5-0.5 (slow)
Q4 yes 282k 97.8-116.5 t/s ~0.8-1 (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 NVIDIA Cosmos 3?โ–ถ

Yes. At Q4 it generates ~97.8-116.5 tok/s and fits up to 282k context; beyond that it spills to system RAM offload (depends on your system RAM) and slows to ~0.8-1 tok/s.

How much context fits?โ–ถ

At Q4, up to about 282k tokens stay in fast memory; longer context spills to system RAM offload (depends on your system RAM) and throughput collapses.