Can I run ZDTaichu5.0-9B on an RTX 4090?

Yes, just

Its published weights (19.6 GB) fit in the 21.6 GB an RTX 4090 can use, with room for ≈ 58K tokens of context.

Full analysis of ZDTaichu5.0-9B Everything that runs on RTX 4090 Get the weights on Hugging Face

hf download TaichuAI/ZDTaichu5.0-9B

Files and context on RTX 4090

Each file of ZDTaichu5.0-9B (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 RTX 4090	Context (16-bit)	Context (8-bit)
As published	19.6 GB	Tight	58K	117K
4-bit (estimate)	5.51 GB	Fits	256K	256K

ZDTaichu5.0-9B on other hardware

NVIDIA H100Yes
RTX 5090Yes
RTX 4090Yes, just
RTX 3090Yes, just
RTX 5060 Ti 16 GBProbably, at 4-bit
RTX 3060 12 GBProbably, at 4-bit
RTX 4060Probably, at 4-bit
Mac with 32 GBYes, just
Mac with 64 GBYes
Mac with 128 GBYes

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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.