One prompt, full autonomous brand design: GPT Image's new sketch feature driven via Codex computer use
venturetwins · x · 2026-09-10
@venturetwins tested ChatGPT's new "sketch" feature by having an agent run autonomously via computer use in Codex to design a brand.
- A single starting prompt asked the model to pick a hero product (it chose a portable lamp), then produce a product photo, a billboard ad, a website screenshot, and a piece of merch using the sketch feature
- After that first instruction, the whole run was autonomous — the author just watched it burn tokens
- The video shows before/after comparisons of each sketch plus the final renders and marketing materials
A neat demo of treating an image model as the executor inside an agent loop: the model sketches its own drafts and iterates to finished assets.
Related event: One prompt: Codex autonomously designs a full brand(2 posts)→
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