FLUX.1-dev vs RealVisXL_V5.0_Lightning
Specs, VRAM requirements and download trends — updated 28 July 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | FLUX.1-dev | RealVisXL_V5.0_Lightning |
|---|---|---|
| Parameters | 11.9 B | 2.6 B |
| Architecture | — | — |
| Context length | — | — |
| Licence | other | openrail++ |
| Commercial use | Unknown | Conditional |
| Languages | 1 | — |
| Downloads 30d | 546,530 | 22,304 |
| Downloads all time | 32.5 M | 457 K |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | Yes — accept licence | No |
| First seen on the Hub | 2024-07-31 | 2024-09-02 |
Download trend
Daily snapshots, last 10 days (28 Jul – 6 Aug)
558 K22 K
FLUX.1-dev
RealVisXL_V5.0_Lightning
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
RealVisXL_V5.0_Lightning · fp16
46.7 GB / 24 GB
FLUX.1-dev · fp16
66.0 GB / 24 GB