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Can I run Kolibri-1-GGUF on an RTX 5090?

Yes, just

Its Q2_K file (28.6 GB) fits in the 28.8 GB an RTX 5090 can use, with room for ≈ 6K tokens of context. That file is under 3 bits per weight, so expect noticeably lower quality.

Full analysis of Kolibri-1-GGUF Everything that runs on RTX 5090 Get the Q2_K file on Hugging Face
ollama run hf.co/Hob-forge/Kolibri-1-GGUF:Q2_K

Files and context on RTX 5090

Each file of Kolibri-1-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 5090 Context (16-bit)Context (8-bit)
Q8_083.1 GBDoesn't fit——
Q6_K64.2 GBDoesn't fit——
Q5_K_M55.6 GBDoesn't fit——
Q4_K_M47.5 GBDoesn't fit——
Q3_K_M37.5 GBDoesn't fit——
Q2_K28.6 GBTight6K14K

Kolibri-1-GGUF on other hardware

Popular models that run on RTX 5090

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.