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Can I run Ornith-1.5-122B-GGUF on an RTX PRO 6000 Blackwell?

Yes, just

Its Q4_K_M file (75.8 GB) fits in the 86.4 GB an RTX PRO 6000 Blackwell can use, with room for ≈ 256K tokens of context.

Full analysis of Ornith-1.5-122B-GGUF Everything that runs on RTX PRO 6000 Blackwell Get the Q4_K_M file on Hugging Face
ollama run hf.co/ornith-ai/Ornith-1.5-122B-GGUF:Q4_K_M

Files and context on RTX PRO 6000 Blackwell

Each file of Ornith-1.5-122B-GGUF (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.

FileSizeOn RTX PRO 6000 Blackwell Context (16-bit)Context (8-bit)
BF16249 GBDoesn't fit——
Q8_0133 GBDoesn't fit——
Q6_K102 GBDoesn't fit——
Q5_K_M88.7 GBDoesn't fit——
Q4_K_M75.8 GBTight256K256K

Ornith-1.5-122B-GGUF on other hardware

Popular models that run on RTX PRO 6000 Blackwell

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.