Can I run humanizer on an NVIDIA B300?

Yes

Its published weights (23.9 GB) fit in the 259 GB an NVIDIA B300 can use, with room for ≈ 256K tokens of context.

Full analysis of humanizer Everything that runs on NVIDIA B300 Get the weights on Hugging Face

hf download jialinyyzz/humanizer

Files and context on NVIDIA B300

Each file of humanizer (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 B300	Context (16-bit)	Context (8-bit)
As published	23.9 GB	Fits	256K	256K
BF16jialinyyzz/humanizer-GGUF	23.8 GB	Fits	256K	256K
Q8_0jialinyyzz/humanizer-GGUF	12.7 GB	Fits	256K	256K
Q6_Kjialinyyzz/humanizer-GGUF	10.0 GB	Fits	256K	256K
Q4_K_Mjialinyyzz/humanizer-GGUF	7.63 GB	Fits	256K	256K
IQ3_XXSjialinyyzz/humanizer-GGUF	5.59 GB	Fits	256K	256K
IQ2_XSjialinyyzz/humanizer-GGUF	3.89 GB	Fits	256K	256K

humanizer on other hardware

Popular models that run on NVIDIA B300

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.