Expose native transparent-background controls in the subscription-backed Codex image-generation tool
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- Dominant language
- Rust
- Stars
- 125k
- Forks
- 19.5k
- PR merge metrics
- PR metrics pending
Description
What variant of Codex are you using?
App
What feature would you like to see?
GPT Image 2 supports background: "transparent" with output_format: "png", but the built-in Codex image tool only exposes prompt and reference-image inputs. Consequently, Plus users cannot reliably request native RGBA output without separate API access. Instead we repeatedly receive fake transparency images without true alpha channel. This causes enormous frustration and wastes hours of work on repeated tries.
Please expose background and output_format in the built-in tool schema and return the selected output settings in its response metadata. This is important for game assets, UI elements, sprites, icons, and other production workflows requiring genuine alpha transparency.
Environment: Codex desktop app on Windows, ChatGPT Plus subscription.
Additional information
No response
Contributor guide
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Locate the built-in image-generation tool's schema and response-metadata handling; start by examining how prompt and reference-image inputs are defined. Done means background and output_format can be selected, and the chosen settings are returned in metadata for transparent PNG requests.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- rust
- Domain
- ai, api
- Issue type
- Feature
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Active
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100