Kevin Gilper
0e49792afd
Bind the exact older sampler and model-base pair after reviewing its no-op writable-model scope difference for Krea. Reject mixed revisions, writable instance overrides and additional multigpu models. Admit the installed Krea2T revision with unchanged math and extra registrations. Verify observed loaded call-path code and enhancer constants against admitted source instead of relying on file hashes alone. Keep native node ports, task recipes, inference identity/revision limits and existing defaults unchanged. Validation: 170 host-free tests, required compile, saved-source native control, enhancer invocation and loaded-code counterexamples. Real runtime/model and application end-to-end acceptance remain separate.
ComfyUI Krea Reference — V11
Guide Krea 2 with reference images and training-free concept sliders. V11 is the current version to start with, available in package 0.5.0 or newer. Existing V9/V10/Slider V1 workflows keep their original behavior.
V11 subject-plus-style guidance, using synthetic product and graphic references. See the illustrated gallery for the inputs, settings and limitations.
Start with V11
| What you want | Open |
|---|---|
| Guide an image with reference cards | Native V11 Reference starter |
| Adjust text-defined attributes | Native V11 Concept Slider showcase |
| Install, connect nodes and understand controls | V11 user guide |
| Follow concrete prompts and recipes | Nine worked examples |
| Inspect real V11 outputs | V11 example gallery |
Download the raw workflow JSON and drag it into ComfyUI. Follow the model/image setup instructions. These are native ComfyUI workflows; Photo Studio is not required. The reference example needs input images; the slider example does not.
The current slider showcase uses automatic reach and budget: card values determine the effective controls, up to the combined limit. This feature requires the latest GitHub source update after registry 0.5.0. See automatic scaling for migration and examples.
Two V11 instruments
Reference cards assign jobs such as subject, visual style, lighting, layout or a counter-example to input images. Up to 12 cards feed the V11 reference stack. Sign-preserving balance limits signed layer targets; content/revision-aware caching speeds tuning. Recipes, including balanced, retain their established settings.
Load Image → Image Guide Card V11 → Reference Stack Encoder V11 → sampler
Concept Sliders turn descriptions and paired endpoint text into attribute controls. Up to 8 cards feed the V11 slider stack. V11 adds automatic or manual combined budgeting, duplicate/opposite cancellation, per-card timing, height/crowd presets and a smoother transition near zero. No slider training or extra slider weights are needed.
Concept Slider Card V11 → Concept Slider Stack V11 → sampler
| Plain prompt | V11 tiny adjustment | V11 working-range adjustment |
|---|---|---|
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Same prompt and seed; brightness values 0, +0.05, +3. Tiny values stay closer to neutral, but stronger values can change shape and framing. Reference borders, fine-texture transfer and entangled attributes remain limitations. These are creative controls, not calibrated physical measurements. Supported V11 reference and slider workflows use separate encoders. The experimental V12 developer interface below has no model-validated combined workflow support.
Install
Install Krea Reference through ComfyUI Manager/Registry, or clone this repository into your ComfyUI custom_nodes folder:
cd /path/to/ComfyUI/custom_nodes
git clone https://github.com/kgilper/krea-reference.git
Restart ComfyUI and refresh the browser. Select installed Krea 2 diffusion, Krea Qwen3-VL encoder and Qwen image VAE files. This repo does not ship model weights. See the V11 guide for exact node class names and host requirements.
Recipes, implementation and prior versions
- Custom recipe kit and Recipe Builder in
web/recipe-builder.html. - V11 technical notes, node index and testing.
- Experimental V12 native context and consumer API for developers; source-only checks do not establish model support.
- V12 also offers an optional pinned Krea2T enhancer integration, default OFF, with exact MODEL bypass and owned temporary-hook cleanup. Its model/task effects remain unvalidated.
- Prior-version guides: V10, V9 and Concept Slider V1, with their historical examples and technical papers.
Older nodes, assets and native workflows retain their original paths. Old guide URLs forward to their archive; no saved workflow is migrated automatically.
Support and license
Krea Reference is free. Support development through GitHub Sponsors, or contribute useful issues and examples. MIT license.