Can I run GLM-5.3-Flash on an NVIDIA B300?

Yes, with a GGUF version

The published weights are too big, but the UD-Q4_K_XL file from unsloth/GLM-5.3-Flash-GGUF (200 GB) fits, with room for an unknown amount of context.

llama-server -hf unsloth/GLM-5.3-Flash-GGUF:UD-Q4_K_XL

Files and context on NVIDIA B300

Each file of GLM-5.3-Flash (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.

GLM-5.3-Flash 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.