Designing delightful frontends with GPT-5.4 | OpenAI Developers

What this post added

This post details how GPT-5.4 has been trained with a focus on improved UI capabilities and image usage for frontend development. It introduces practical techniques for steering the model towards desired designs, including leveraging image search and generation tools, developing more complete and functionally sound apps, and utilizing computer use and verification tools like Playwright for iterative inspection and refinement. The post also provides specific prompt guidance and introduces a dedicated 'frontend-skill' to enforce design principles and improve the quality of generated interfaces.