sd-turbo vs Z-Image
Specs, VRAM requirements and download trends — updated 28 July 2026.
Specification comparison
Differences are highlighted; identical values are muted.
| Specification | sd-turbo | Z-Image |
|---|---|---|
| Parameters | 870 M | 6.2 B |
| Architecture | — | — |
| Context length | — | — |
| Licence | — | apache-2.0 |
| Commercial use | Unknown | Allowed |
| Languages | — | 1 |
| Downloads 30d | 721,928 | 21,519 |
| Downloads all time | 20.6 M | 273 K |
| Quantizations on the Hub | SAFETENSORS | SAFETENSORS |
| Gated | No | No |
| First seen on the Hub | 2023-11-27 | 2026-01-23 |
Download trend
Daily snapshots, last 10 days (28 Jul – 6 Aug)
738 K21 K
sd-turbo
Z-Image
VRAM side by side
On RTX 4090 · 24 GB · 8K context unless noted
sd-turbo · fp16
14.9 GB / 24 GB
Z-Image · fp16
24.0 GB / 24 GB