Can I run Flora-Captioner on an NVIDIA H200?

Yes, just

Its published weights (109 GB) fit in the 127 GB an NVIDIA H200 can use, with room for ≈ 256K tokens of context.

Full analysis of Flora-Captioner Everything that runs on NVIDIA H200 Get the weights on Hugging Face

hf download nvidia/Flora-Captioner

Files and context on NVIDIA H200

Each file of Flora-Captioner (and of GGUF versions the site has analyzed), and how much context fits next to it, with the context cache in 16-bit or 8-bit.

File	Size	On NVIDIA H200	Context (16-bit)	Context (8-bit)
As published	109 GB	Tight	256K	256K
4-bit (estimate)	15.4 GB	Fits	256K	256K

Flora-Captioner on other hardware

NVIDIA H200Yes, just
NVIDIA H100Probably, at 4-bit
RTX 5090Probably, at 4-bit
RTX 4090Probably, at 4-bit
RTX 3090Probably, at 4-bit
RTX 5060 Ti 16 GBNo
RTX 3060 12 GBNo
RTX 4060No
Mac with 32 GBProbably, at 4-bit
Mac with 64 GBProbably, at 4-bit
Mac with 128 GBProbably, at 4-bit

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Assumes 90% of the card's memory is usable and at least 4K tokens of context for one conversation, with the context cache in 16-bit unless noted. Fits leaves at least 20% of that memory for context; Tight leaves less.