Visual node editor
Drag Spaces, models, and datasets from the sidebar onto a canvas, connect their ports, and run the pipeline through the workflow interface.
Gradio Workflows
Freemium
Gradio Workflows is a visual, node-based AI pipeline builder built into Gradio. It helps developers connect Hugging Face Spaces, models, datasets, and Python functions on a drag-and-drop canvas.
什么是 Gradio Workflows？
Gradio Workflows is a visual, node-based AI pipeline builder built into Gradio. It lets developers assemble pipelines by placing Hugging Face Spaces, models, datasets, and custom Python functions on a drag-and-drop canvas, connecting their ports, and running the resulting Gradio app.
The core purpose is to make multi-step AI workflows editable as a graph rather than only as handwritten application code. Changes to nodes and edges are saved automatically to a workflow.json file, and the graph can also be edited programmatically. It is intended primarily for developers building and testing connected AI tasks in Gradio.
Gradio Workflows 能做什么？
Custom Python function nodes
Pass Python functions with `bind=` to expose them as callable nodes. Gradio inspects each function signature to determine its inputs and outputs.
Automatic graph persistence
As nodes and edges are added, removed, or changed, Gradio automatically creates or updates a `workflow.json` file next to the Python script.
Configurable graph location
Use the `graph=` parameter when the workflow definition should be saved somewhere other than the default location.
Programmatic workflow editing
A coding agent can write or edit the workflow JSON, providing a code-based alternative to making every graph change on the canvas.
Separate edit and run access
When launched locally, the private write-access URL supports editing and saving, while the ordinary local URL and share URL are run-only.
使用场景
“Compose a multi-step AI pipeline”
Connect existing Hugging Face Spaces, models, and datasets to test a sequence of processing steps without implementing every connection as a separate interface.
“Wrap application logic as graph nodes”
Expose project-specific Python functions through `bind=` so custom processing can participate in the same visual pipeline as hosted models and datasets.
“Prototype workflows interactively”
Launch a minimal Workflow app, adjust nodes and edges on the canvas, and run the graph while iterating on the pipeline structure.
“Maintain workflows in code”
Use the generated `workflow.json` file as a saved graph artifact or have a coding agent create and modify the workflow definition programmatically.
常见问题
How do I start a Gradio Workflow?
Create a top-level `gr.Workflow()` in a Python script and call `.launch()`. After opening the app, drag Spaces, models, and datasets onto the canvas, connect their ports, and run the workflow.
Can I use my own Python functions?
Yes. Pass functions with `bind=`. They appear as callable nodes, and Gradio inspects each function’s signature to configure the node’s inputs and outputs.
Where is the workflow saved?
By default, changes to the graph create a `workflow.json` file next to the Python script that created the Workflow. You can provide `graph=` to save it elsewhere.
Can a Workflow be placed inside `gr.Blocks`?
No. The guide states that `gr.Workflow` is already a complete Gradio app, must be created at the top level, and cannot be nested inside a `gr.Blocks` context.
Which URL should be used for editing a local workflow?
Use the private write-access URL printed by `launch()` for editing and saving. The ordinary local URL and share URL are run-only. Keep the write-access URL private because edits affect the workflow seen by every visitor.
快速信息
- Category
- Visual AI pipeline builder
- Platform
- Built into Gradio; launched from Python
- Graph format
- workflow.json
- Workflow inputs
- Hugging Face Spaces, models, datasets, and Python functions
- Editing model
- Drag-and-drop canvas with programmatic JSON editing
- Source domain
- gradio.app
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