Z-Image Turbo Stills

Z-Image Turbo (and Flux.2 Klein when that graph is loaded) is the fast local still path: drafts, boards, and iteration. Final hero anchors still prefer full Flux.2 Dev when quality wins over speed.

Runs on DGX Spark or a 3090 stills instance. Not a video model.

When to Use

• Storyboards, thumbnails, prompt iteration, "give me 8 options"
• Spark box online, user wants stills without waiting on Flux.2 Dev
• Cinesmith provider spark:z_image / z_image_turbo

Don't use for: final print hero if Flux.2 Dev is available; LTX motion (wrong model).

Prerequisites

• ComfyUI with the Z-Image Turbo (or Klein) workflow
• COMFYUI_PRIMARY or COMFYUI_SPARK healthy
• Same prompt grammar as Flux.2 (positive_prompt_structure) — short, ordered, no dump of quality adjectives