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fix: rebuild FLUX Schnell workflow with correct node types

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Replaced CheckpointLoaderSimple with UNETLoader + DualCLIPLoader.
Replaced CLIPTextEncode with CLIPTextEncodeFlux.
Added proper VAELoader with ae.safetensors.
Added ConditioningZeroOut for empty negative conditioning.
Removed old negative prompt input (FLUX doesn't use it).

Changes match FLUX Dev workflow structure.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
This commit is contained in:
Sebastian Krüger
2025-11-23 10:48:13 +01:00
parent 7dd6739f5e
commit ac74730ee2
1 changed files with 121 additions and 116 deletions
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237
comfyui/workflows/text-to-image/flux-schnell-t2i-production-v1.json
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@@ -1,12 +1,12 @@
{ {
"last_node_id": 12, "last_node_id": 9,
"last_link_id": 15, "last_link_id": 9,
"nodes": [ "nodes": [
{ {
"id": 1, "id": 1,
"type": "CheckpointLoaderSimple", "type": "UNETLoader",
"pos": [50, 100], "pos": [50, 100],
"size": {"0": 350, "1": 100}, "size": [350, 100],
"flags": {}, "flags": {},
"order": 0, "order": 0,
"mode": 0, "mode": 0,
@@ -16,34 +16,44 @@
"type": "MODEL", "type": "MODEL",
"links": [1], "links": [1],
"slot_index": 0 "slot_index": 0
},
{
"name": "CLIP",
"type": "CLIP",
"links": [2, 3],
"slot_index": 1
},
{
"name": "VAE",
"type": "VAE",
"links": [4],
"slot_index": 2
} }
], ],
"properties": { "properties": {
"Node name for S&R": "CheckpointLoaderSimple" "Node name for S&R": "UNETLoader"
}, },
"widgets_values": ["diffusers/FLUX.1-schnell"], "widgets_values": ["flux1-schnell.safetensors", "default"],
"title": "FLUX Schnell Checkpoint Loader" "title": "FLUX Schnell UNET Loader"
}, },
{ {
"id": 2, "id": 2,
"type": "CLIPTextEncode", "type": "DualCLIPLoader",
"pos": [450, 100], "pos": [50, 250],
"size": {"0": 400, "1": 200}, "size": [350, 100],
"flags": {}, "flags": {},
"order": 1, "order": 1,
"mode": 0, "mode": 0,
"outputs": [
{
"name": "CLIP",
"type": "CLIP",
"links": [2],
"slot_index": 0
}
],
"properties": {
"Node name for S&R": "DualCLIPLoader"
},
"widgets_values": ["t5xxl_fp16.safetensors", "clip_l.safetensors", "flux"],
"title": "FLUX CLIP Loader"
},
{
"id": 3,
"type": "CLIPTextEncodeFlux",
"pos": [450, 100],
"size": [400, 250],
"flags": {},
"order": 2,
"mode": 0,
"inputs": [ "inputs": [
{ {
"name": "clip", "name": "clip",
@@ -55,58 +65,61 @@
{ {
"name": "CONDITIONING", "name": "CONDITIONING",
"type": "CONDITIONING", "type": "CONDITIONING",
"links": [5], "links": [3, 8],
"slot_index": 0 "slot_index": 0
} }
], ],
"properties": { "properties": {
"Node name for S&R": "CLIPTextEncode" "Node name for S&R": "CLIPTextEncodeFlux"
}, },
"widgets_values": ["A beautiful mountain landscape at sunset, highly detailed, cinematic lighting, 8k"], "widgets_values": [
"A beautiful mountain landscape at sunset, highly detailed, cinematic lighting, 8k",
"A beautiful mountain landscape at sunset, highly detailed, cinematic lighting, 8k",
3.5
],
"title": "API Positive Prompt" "title": "API Positive Prompt"
}, },
{ {
"id": 3, "id": 9,
"type": "CLIPTextEncode", "type": "ConditioningZeroOut",
"pos": [450, 350], "pos": [450, 400],
"size": {"0": 400, "1": 200}, "size": [315, 60],
"flags": {}, "flags": {},
"order": 2, "order": 3,
"mode": 0, "mode": 0,
"inputs": [ "inputs": [
{ {
"name": "clip", "name": "conditioning",
"type": "CLIP", "type": "CONDITIONING",
"link": 3 "link": 8
} }
], ],
"outputs": [ "outputs": [
{ {
"name": "CONDITIONING", "name": "CONDITIONING",
"type": "CONDITIONING", "type": "CONDITIONING",
"links": [6], "links": [9],
"slot_index": 0 "slot_index": 0
} }
], ],
"properties": { "properties": {
"Node name for S&R": "CLIPTextEncode" "Node name for S&R": "ConditioningZeroOut"
}, },
"widgets_values": ["blurry, low quality, distorted, watermark"], "title": "Empty Negative Conditioning"
"title": "API Negative Prompt"
}, },
{ {
"id": 4, "id": 4,
"type": "EmptyLatentImage", "type": "EmptyLatentImage",
"pos": [450, 600], "pos": [450, 500],
"size": {"0": 315, "1": 106}, "size": [315, 106],
"flags": {}, "flags": {},
"order": 3, "order": 4,
"mode": 0, "mode": 0,
"outputs": [ "outputs": [
{ {
"name": "LATENT", "name": "LATENT",
"type": "LATENT", "type": "LATENT",
"links": [7], "links": [4],
"slot_index": 0 "slot_index": 0
} }
], ],
@@ -120,9 +133,9 @@
"id": 5, "id": 5,
"type": "KSampler", "type": "KSampler",
"pos": [900, 100], "pos": [900, 100],
"size": {"0": 315, "1": 474}, "size": [315, 474],
"flags": {}, "flags": {},
"order": 4, "order": 5,
"mode": 0, "mode": 0,
"inputs": [ "inputs": [
{ {
@@ -133,66 +146,80 @@
{ {
"name": "positive", "name": "positive",
"type": "CONDITIONING", "type": "CONDITIONING",
"link": 5 "link": 3
}, },
{ {
"name": "negative", "name": "negative",
"type": "CONDITIONING", "type": "CONDITIONING",
"link": 6 "link": 9
}, },
{ {
"name": "latent_image", "name": "latent_image",
"type": "LATENT", "type": "LATENT",
"link": 7 "link": 4
} }
], ],
"outputs": [ "outputs": [
{ {
"name": "LATENT", "name": "LATENT",
"type": "LATENT", "type": "LATENT",
"links": [8], "links": [5],
"slot_index": 0 "slot_index": 0
} }
], ],
"properties": { "properties": {
"Node name for S&R": "KSampler" "Node name for S&R": "KSampler"
}, },
"widgets_values": [ "widgets_values": [42, "fixed", 4, 1.0, "euler", "normal", 1.0],
42,
"fixed",
4,
1.0,
"euler",
"normal",
1
],
"title": "FLUX Schnell Sampler (4 steps)" "title": "FLUX Schnell Sampler (4 steps)"
}, },
{ {
"id": 6, "id": 6,
"type": "VAELoader",
"pos": [900, 600],
"size": [315, 60],
"flags": {},
"order": 6,
"mode": 0,
"outputs": [
{
"name": "VAE",
"type": "VAE",
"links": [6],
"slot_index": 0
}
],
"properties": {
"Node name for S&R": "VAELoader"
},
"widgets_values": ["ae.safetensors"],
"title": "FLUX VAE Loader"
},
{
"id": 7,
"type": "VAEDecode", "type": "VAEDecode",
"pos": [1270, 100], "pos": [1270, 100],
"size": {"0": 210, "1": 46}, "size": [210, 46],
"flags": {}, "flags": {},
"order": 5, "order": 7,
"mode": 0, "mode": 0,
"inputs": [ "inputs": [
{ {
"name": "samples", "name": "samples",
"type": "LATENT", "type": "LATENT",
"link": 8 "link": 5
}, },
{ {
"name": "vae", "name": "vae",
"type": "VAE", "type": "VAE",
"link": 4 "link": 6
} }
], ],
"outputs": [ "outputs": [
{ {
"name": "IMAGE", "name": "IMAGE",
"type": "IMAGE", "type": "IMAGE",
"links": [9, 10], "links": [7],
"slot_index": 0 "slot_index": 0
} }
], ],
@@ -201,39 +228,19 @@
}, },
"title": "VAE Decode" "title": "VAE Decode"
}, },
{
"id": 7,
"type": "PreviewImage",
"pos": [1530, 100],
"size": {"0": 400, "1": 400},
"flags": {},
"order": 6,
"mode": 0,
"inputs": [
{
"name": "images",
"type": "IMAGE",
"link": 9
}
],
"properties": {
"Node name for S&R": "PreviewImage"
},
"title": "Preview Output"
},
{ {
"id": 8, "id": 8,
"type": "SaveImage", "type": "SaveImage",
"pos": [1530, 550], "pos": [1530, 100],
"size": {"0": 400, "1": 100}, "size": [400, 100],
"flags": {}, "flags": {},
"order": 7, "order": 8,
"mode": 0, "mode": 0,
"inputs": [ "inputs": [
{ {
"name": "images", "name": "images",
"type": "IMAGE", "type": "IMAGE",
"link": 10 "link": 7
} }
], ],
"properties": { "properties": {
@@ -245,49 +252,39 @@
], ],
"links": [ "links": [
[1, 1, 0, 5, 0, "MODEL"], [1, 1, 0, 5, 0, "MODEL"],
[2, 1, 1, 2, 0, "CLIP"], [2, 2, 0, 3, 0, "CLIP"],
[3, 1, 1, 3, 0, "CLIP"], [3, 3, 0, 5, 1, "CONDITIONING"],
[4, 1, 2, 6, 1, "VAE"], [4, 4, 0, 5, 3, "LATENT"],
[5, 2, 0, 5, 1, "CONDITIONING"], [5, 5, 0, 7, 0, "LATENT"],
[6, 3, 0, 5, 2, "CONDITIONING"], [6, 6, 0, 7, 1, "VAE"],
[7, 4, 0, 5, 3, "LATENT"], [7, 7, 0, 8, 0, "IMAGE"],
[8, 5, 0, 6, 0, "LATENT"], [8, 3, 0, 9, 0, "CONDITIONING"],
[9, 6, 0, 7, 0, "IMAGE"], [9, 9, 0, 5, 2, "CONDITIONING"]
[10, 6, 0, 8, 0, "IMAGE"]
], ],
"groups": [], "groups": [],
"config": {}, "config": {},
"extra": { "extra": {
"workflow_info": { "workflow_info": {
"name": "FLUX Schnell Text-to-Image Production", "name": "FLUX Schnell Text-to-Image Production",
"version": "1.0.0", "version": "1.2.0",
"author": "RunPod AI Model Orchestrator",
"description": "Fast text-to-image generation using FLUX.1-schnell (4 steps). Optimized for rapid prototyping and iteration.", "description": "Fast text-to-image generation using FLUX.1-schnell (4 steps). Optimized for rapid prototyping and iteration.",
"category": "text-to-image", "category": "text-to-image",
"tags": ["flux", "schnell", "fast", "production", "t2i"], "tags": ["flux", "schnell", "fast", "production", "t2i"],
"requirements": { "requirements": {
"models": ["FLUX.1-schnell"], "models": ["FLUX.1-schnell", "CLIP-L", "T5-XXL FP16"],
"custom_nodes": [], "custom_nodes": [],
"vram_min": "16GB", "vram_min": "16GB",
"vram_recommended": "24GB" "vram_recommended": "24GB"
}, },
"parameters": { "parameters": {
"prompt": { "prompt": {
"node_id": 2, "node_id": 3,
"widget_index": 0, "widget_index": 0,
"type": "string", "type": "string",
"required": true, "required": true,
"default": "A beautiful mountain landscape at sunset", "default": "A beautiful mountain landscape at sunset",
"description": "Text description of desired image" "description": "Text description of desired image"
}, },
"negative_prompt": {
"node_id": 3,
"widget_index": 0,
"type": "string",
"required": false,
"default": "blurry, low quality",
"description": "Undesired elements to avoid"
},
"width": { "width": {
"node_id": 4, "node_id": 4,
"widget_index": 0, "widget_index": 0,
@@ -326,17 +323,17 @@
"default": 4, "default": 4,
"min": 1, "min": 1,
"max": 10, "max": 10,
"description": "Number of sampling steps (4 recommended for Schnell)" "description": "Number of sampling steps (4 recommended for FLUX Schnell)"
}, },
"cfg": { "guidance": {
"node_id": 5, "node_id": 3,
"widget_index": 3, "widget_index": 2,
"type": "float", "type": "float",
"required": false, "required": false,
"default": 1.0, "default": 3.5,
"min": 1.0, "min": 1.0,
"max": 1.0, "max": 10.0,
"description": "Classifier-free guidance scale (1.0 for FLUX Schnell)" "description": "Guidance scale (3.5 recommended for FLUX)"
} }
}, },
"outputs": { "outputs": {
@@ -348,10 +345,18 @@
} }
}, },
"performance": { "performance": {
"avg_generation_time": "5-8 seconds", "avg_generation_time": "5-8 seconds (4 steps)",
"vram_usage": "~16GB", "vram_usage": "~16-18GB",
"gpu_utilization": "95-100%" "gpu_utilization": "95-100%"
} },
"notes": [
"FLUX uses UNETLoader instead of CheckpointLoader",
"DualCLIPLoader loads both T5-XXL and CLIP-L text encoders",
"CLIPTextEncodeFlux is FLUX-specific text encoder",
"No negative prompt for FLUX - guidance is handled differently",
"CFG scale of 1.0 recommended, guidance in text encoder",
"Schnell is optimized for 4 steps - fastest FLUX variant"
]
} }
}, },
"version": 0.4 "version": 0.4