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codex - 💡(How to fix) Fix Add a node-based workflow surface for Imagen in Codex App [1 participants]

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openai/codex#21157•Fetched 2026-05-06 06:25:45
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What variant of Codex are you using?

Codex App

What feature would you like to see?

Add a node-based / graph-based workflow surface for image generation in Codex App.

The current chat flow is useful for quick one-off image generations, but image work often becomes iterative and branchy:

  • generate several options from a prompt
  • choose one image as a source
  • make variations
  • upscale or crop
  • edit a region
  • combine reference images
  • compare branches
  • preserve prompt/settings lineage
  • move selected outputs into a project

A lightweight node workflow would make this much easier to manage. This does not need to be a full ComfyUI replacement, but a visual graph/canvas for generated-image workflows would fit the way users already think about iterative image production.

Useful node types could include:

  • prompt/image generation
  • image input / reference image
  • variation
  • edit/inpaint
  • crop/resize/upscale
  • background removal / transparent output
  • comparison/select node
  • export/save-to-workspace node

The important part is preserving the relationship between images, prompts, edits, and final exported assets. Chat history alone becomes hard to navigate once there are many generated images and variations.

Additional information

I searched existing open and closed issues for combinations of:

  • Imagen + node-based
  • image generation + node / graph / workflow / canvas
  • ComfyUI
  • visual workflow image generation
  • multi-step image generation

I found related image-generation requests, but not this specific node/graph workflow request:

  • #14895 asks for first-class image generation / image file handling in Codex App.
  • #18636 asks for better image generation parameters like transparency, quality, and size.
  • #8758 was a broader image generation request and is now closed.

This request is specifically about a node/graph workflow surface for iterative image generation, branching, comparison, and export.

extent analysis

TL;DR

Implementing a node-based workflow surface for image generation in Codex App would require designing and integrating a visual graph/canvas interface to manage iterative image production.

Guidance

  • Identify the key node types required for the workflow, such as prompt/image generation, image input, variation, edit/inpaint, and export/save-to-workspace.
  • Determine the necessary relationships between nodes to preserve the lineage of images, prompts, edits, and final exported assets.
  • Consider the user interface and user experience implications of introducing a node-based workflow surface, including how to display and interact with the graph/canvas.
  • Research existing node-based workflow systems or graph-based interfaces for image generation to inform the design and implementation.

Example

No specific code snippet can be provided without more technical details, but a potential starting point could involve designing a data model to represent the nodes and their relationships, such as a graph data structure.

Notes

The implementation of a node-based workflow surface would likely require significant development and testing efforts, and may involve integrating with existing features and systems within Codex App.

Recommendation

Apply a workaround by utilizing existing features in Codex App, such as the chat flow, to manage iterative image generation and branching, while awaiting the potential development of a node-based workflow surface. This approach allows users to continue using the app for image generation while the new feature is being considered or developed.

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codex - 💡(How to fix) Fix Add a node-based workflow surface for Imagen in Codex App [1 participants]