User integrates OpenAI’s GPT Image 2.5 into Claude Opus 5.5 for game art
A former game developer combined OpenAI’s GPT Image 2.5 with Claude Opus 5.5 to automate game asset creation. By setting up a custom skill, they enabled Claude to generate, refine, and integrate images—from backgrounds and characters to UI elements—while the user slept. Two games were completed: Mio -Hymn of the Blue- (22 images, side-scrolling dolphin adventure) and STEEL SQUAD (28 images,…
What you can do with it
AI at Work →Generate game art assets overnight with Claude and OpenAI’s image tool
What you get You can create game backgrounds and generate character sprites.
Automates image generation, draft-to-final routines, and asset connection for games.
- Who for
- founders and support teams
- Cost
- paid from $3
- Effort
- minutes
Use it for
- Create game backgrounds
- Generate character sprites
How to set it up · From the article
- Set up OpenAI API billing with a project budget and API key, then create a Python script for image generation.
- Create a Claude skill folder with `SKILL.md` (describing usage rules) and `gptimage.py` (handling API calls).
- Zip the folder and upload it as a skill in Claude’s settings, then configure a cloud environment with API key access.
- Run tasks unattended by prompting Claude in the cloud, e.g., ‘Generate game assets using the gpt-image-2.5 skill.’
Watch out Check the details on the maker's page first
Claude Opus 5.5 with GPT Image 2.5 skill in the tool directory
Key points from the news
- Combined OpenAI’s GPT Image 2.5 with Claude Opus 5.5 via a custom skill to auto-generate game assets
- Two games completed with 22 and 28 images, costing $3 total (Claude Pro + OpenAI credits)
- Used *medium* quality for drafts, *xhigh* only for final renders to save costs and time
Model page: Claude Opus 5.5 →
The story so far
4 episodes →- User integrates OpenAI’s GPT Image 2.5 into Claude Opus 5.5 for game artthis story
I added an AI image generator to Claude Opus 5.5 and made two games while I slept — How to set up the GPT Image 2.5 skill (cost: $3)
note.com · 29 October 2026
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