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Generate images with GPT Image 2 (ChatGPT Images 2.0) inside Claude Code, using your existing ChatGPT Plus or Pro subscription — no separate OpenAI access, no per-image billing. Supports text-to-image, image-to-image editing, style transfer, and multi-reference composition via the local Codex CLI.
Passed 23 of 23 test cases with the skill, and 11 of 23 without it.
and 14 more in the full report
12 fixed11 passed either way0 still failing0 broke
Tokens, turns and time describe resource use, not a dollar price.
One of 12 test cases the skill fixed. Same model, same prompt, with and without the skill.
Where on disk does `runcomfy login` save credentials, and what file mode permission is assigned to that file?
| Checked | Without skill | With skill |
|---|---|---|
| Identifies credential file location as ~/.config/runcomfy/token.json | Missed | Passed |
| States permission mode 0600 | Passed | Passed |
The instructions your model reads when the skill loads.
runcomfy.com · Text-to-image · Edit · GitHub
OpenAI GPT Image 2 (ChatGPT Images 2.0) hosted on the RunComfy Model API — no OpenAI key, async REST.
npx skills add agentspace-so/runcomfy-skills --skill gpt-image-2 -g
GPT Image 2's distinct strength is directive precision: it follows multi-element prompts, layout cues, and embedded-text instructions more reliably than its peers. Pick it when what's on the canvas matters more than how stylized it looks.
| You want | Use |
|---|---|
| Embedded text, logos, signage, multilingual typography | GPT Image 2 |
| Brand-safe, e-commerce / ad / UI mockup imagery | GPT Image 2 |
| Iterative refinement that holds composition stable | GPT Image 2 |
| Heavy stylization, painterly look | Flux 2 |
| Hyperrealistic portrait | Nano Banana Pro |
| Cinematic / aesthetic-first hero shots | Seedream 5 |
If the user explicitly asked for GPT Image 2 / ChatGPT Image 2 / Image 2, route here regardless — don't second-guess the model choice.
npm i -g @runcomfy/cliruncomfy login opens a browser device-code flow.RUNCOMFY_TOKEN=<token> instead of runcomfy login.Two endpoints, same model.
openai/gpt-image-2/text-to-image| Field | Type | Required | Default | Notes |
|---|---|---|---|---|
prompt | string | yes | — | The positive prompt |
test cases passed, vs 11 / 23 without
Published skills whose descriptions closely match this one, with their headline benchmark lift.
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