ChatGPT by OpenAI

The first version of this editor started in ChatGPT Sites. We used it to explore what editing a launch directly on the page could feel like. A working prototype made the idea easier to review and gave us something concrete to build from. That was where the visual editor first took shape, before we built it into Product Hunt.

OpenAI powers Yedric out of the box, and every plan includes Luna for free. It gives us a strong balance of tool-calling reliability, speed and cost.

By far, frontend design skills are best in class in Codex and work very well. Astra is so powerful that you can just think, and you don't have to write basic info; it figures things out, uses your machine, and does things for you.

GPT-6 Astra built Mantle's homepage and Cloud experience, then helped consolidate, optimize, and review the core product.