What makes the Flux.2 [Klein] 9B model suitable for real-time generation?

The model is distilled to balance quality and speed, allowing for sub-second image generation without compromising on image fidelity.

How can I ensure the best quality output from this workflow?

Use well-crafted, descriptive text prompts and ensure your models are up-to-date and correctly configured in your local setup.

Can I customize the workflow for different types of image outputs?

Yes, by adjusting the text prompts and experimenting with node configurations, you can tailor the output to suit various creative needs.

Is it possible to integrate this workflow with other ComfyUI features?

Absolutely, you can use the subgraph feature to integrate this workflow with other nodes and processes, enhancing its functionality.

Flux.2 [Klein] 9B: Text to Image

This ComfyUI workflow leverages the Flux.2 [Klein] 9B model to transform text prompts into high-quality images with remarkable speed. At its core, the workflow utilizes a BFL distilled model, which is known for its efficiency and quality, making it ideal for real-time image generation. The workflow incorporates several nodes, including the SaveImage node for output handling and the PrimitiveStringMultiline node for managing text inputs. Additionally, the MarkdownNote node is used for embedding documentation or notes within the workflow, enhancing user understanding and ease of use. The subgraph feature is a key component, allowing users to encapsulate and reuse complex node arrangements, streamlining the workflow process.

API

Use this workflow from code

Every Comfy workflow is a JSON graph. The payload below is this workflow, exactly as ComfyUI runs it — fetch it from the URL, keep it in version control, or load it in ComfyUI and run it node by node.

GET https://comfy.org/workflows/download/1606e79dd224.json

Fetching workflow JSON…

Run it from Python or TypeScript with the Comfy SDK. The same code targets Comfy Cloud or a ComfyUI you host yourself — only the base URL changes.

# Install (beta)
pip install comfy-sdk        # Python
npm i @comfyorg/sdk          # TypeScript

# Run "Flux.2 [Klein] 9B: Text to Image" (Python)
from comfy_sdk import Comfy

client = Comfy(api_key="comfyui-...")

# This workflow, exported in API format (see note below)
wf = client.workflows.from_file("image_flux2_text_to_image_9b_api.json")

job = client.run(wf)
for output in job.get_outputs("9"):  # SaveImage
    output.to_file(output.name)

The SDK takes a workflow in API format: open this workflow in ComfyUI and use File → Export Workflow (API). API access requires a Comfy Cloud plan with an API key. SDK docs · Get an API key

FAQ

Frequently Asked Questions

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