ComfyUI Node
Gemma 4 Reference Prompt Pair Lock
Gemma 4 reference-image positive/negative prompt pair with persistent lock.
Gemma 4 Reference Prompt Pair Lock
- image
- positive_prompt
- negative_prompt
◄positive_instructionDescribe this reference image as a concise Wan/VACE VFX positive prompt. Preserve the original source subject and composition. Focus on visible materials, lighting, floor contact, reflection, shadow softness, camera, and environment. Keep it one practical English prompt.►
◄negative_instructionWrite a stable Wan/VACE negative prompt for this same reference. List what must not change: source identity, colors, background, body shape, new objects, hard shadows, flicker, color shift, dirty blobs, invented detail, overpainted areas, and AI artifacts.►
◄lock_promptfalse►
◄refresh_lockfalse►
◄model_idgoogle/gemma-4-E2B-it►
◄max_new_tokens512►
◄temperature0.10►
◄dtypeauto►
◄unload_after_generatetrue►
CategoryGemma4
Inputs (10)
| Name | Type | Default | Description |
|---|---|---|---|
| image | IMAGE | — | |
| positive_instruction | STRING | Describe this reference image as a concise Wan/VACE VFX positive prompt. Preserve the original source subject and composition. Focus on visible materials, lighting, floor contact, reflection, shadow softness, camera, and environment. Keep it one practical English prompt. | — |
| negative_instruction | STRING | Write a stable Wan/VACE negative prompt for this same reference. List what must not change: source identity, colors, background, body shape, new objects, hard shadows, flicker, color shift, dirty blobs, invented detail, overpainted areas, and AI artifacts. | — |
| lock_prompt | BOOLEAN | false | — |
| refresh_lock | BOOLEAN | false | — |
| model_id | COMBO | google/gemma-4-E2B-it | 2 options: google/gemma-4-E2B-it, google/gemma-4-E4B-it |
| max_new_tokens | INT | 51264–2048 | — |
| temperature | FLOAT | 0.100–2 | — |
| dtype | COMBO | auto | 4 options: auto, bf16, fp16, fp32 |
| unload_after_generate | BOOLEAN | true | — |
Outputs (2)
| Name | Type | Description |
|---|---|---|
| positive_prompt | STRING | — |
| negative_prompt | STRING | — |