local intelligence

can it run

Can the RTX 5090 (32GB) run FLUX dev fp8?

TIGHT

Yes, but close to the edge. 32GB against a 29GB working set: it runs, with little room for long context windows or other processes.

~43–62 tok/s

weights 23GB + KV cache 2GB at 4k context vs ~32GB usable → full. 25.0 GB needed of 32 GB usable — headroom for context

computed roofline: 1792 GB/s × 0.55–0.80 efficiency window / 23.0GB (Q4_K_M) — bands, never points.

explore the full catalog84 machines indexed · live prices · what each one can run

Specs

model file23GB (GGUF Q4_K_M)
minimum memory29GB working set
this machine32GB GDDR7
paramsdev fp8
licenseflux-dev-nc / apache schnell
price$5000

Run it

model files: hugging face ↗

easy run: no stock runtime yet

Alternatives

Mac mini M5 Pro (64GB) — cheapest machine that runs it ($1669)

ASUS ExpertCenter Pro ET900N G3 (GB300) — this model on the biggest machine

every model the RTX 5090 (32GB) can run — full list

RTX PRO 6000 Blackwell (96GB) — upgrade path machine

Buy

B&H Photo ↗ · Amazon ↗ · Amazon ↗

2026-09-17 · ← all models on the RTX 5090 (32GB) · ← full hardware catalog · prices verified at source, may drift