We're excited to announce that PromptYi has been updated to fully support ChatGPT 5.4, OpenAI's latest model release. This update is now live for all users at promptyi.org. What's New in ChatGPT 5.4? ChatGPT 5.4 brings meaningful improvements that directly impact how you work with prompts: Enhanced instruction following — Better adherence to complex, multi-part prompts with improved nuance understanding Superior coding capabilities — Stronger performance on technical prompts,