Can I run Ternary-Bonsai-2-9B-gguf on an RTX 5090?

Yes

Its Ternary-Bonsai-2-9B-PQ2_0-MTP-Q8_0 file (2.68 GB) fits in the 28.8 GB an RTX 5090 can use, with room for ≈ 256K tokens of context.

Full analysis of Ternary-Bonsai-2-9B-gguf Everything that runs on RTX 5090 Get the Ternary-Bonsai-2-9B-PQ2_0-MTP-Q8_0 file on Hugging Face

ollama run hf.co/prism-ml/Ternary-Bonsai-2-9B-gguf

Files and context on RTX 5090

Each file of Ternary-Bonsai-2-9B-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.

File	Size	On RTX 5090	Context (16-bit)	Context (8-bit)
Ternary-Bonsai-2-9B-PQ2_0-MTP-Q8_0	2.68 GB	Fits	256K	256K
Ternary-Bonsai-2-9B-Q2_0	2.56 GB	Fits	256K	256K
Ternary-Bonsai-2-9B-PQ2_0	2.42 GB	Fits	256K	256K
Ternary-Bonsai-2-9B-PTQ1_0	2.00 GB	Fits	256K	256K
Q8_0	1.57 GB	Fits	256K	256K

Ternary-Bonsai-2-9B-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.