Can I run LFM2.5-8B-A1B-Qwen3.8-Turbo-Brilliance-Power-X12-NEO-MAX-GGUF on an RTX 5090?

Yes

Its BF16 file (16.9 GB) fits in the 28.8 GB an RTX 5090 can use, with room for ≈ 125K tokens of context.

Full analysis of LFM2.5-8B-A1B-Qwen3.8-Turbo-Brilliance-Power-X12-NEO-MAX-GGUF Everything that runs on RTX 5090 Get the BF16 file on Hugging Face

ollama run hf.co/DavidAU/LFM2.5-8B-A1B-Qwen3.8-Turbo-Brilliance-Power-X12-NEO-MAX-GGUF:BF16

Files and context on RTX 5090

Each file of LFM2.5-8B-A1B-Qwen3.8-Turbo-Brilliance-Power-X12-NEO-MAX-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)
BF16	16.9 GB	Fits	125K	125K
Q8_0	9.26 GB	Fits	125K	125K
LFM2.5-8B-A1B-Q3.8-TBrilliance-NEO-Q8_0	9.01 GB	Fits	125K	125K
Q6_K	7.27 GB	Fits	125K	125K
LFM2.5-8B-A1B-Q3.8-TBrilliance-NEO-Q6_K	6.96 GB	Fits	125K	125K
LFM2.5-8B-A1B-Q3.8-TBrilliance-NEO-MAX-IQ4_XS	4.90 GB	Fits	125K	125K
IQ4_XS	4.59 GB	Fits	125K	125K

LFM2.5-8B-A1B-Qwen3.8-Turbo-Brilliance-Power-X12-NEO-MAX-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.