The Build 2026 keynote was overly-long, in keeping with tradition. But there was some good news for Windows developers too.

OpenAI turns Codex into an enterprise platform with hosted web apps, 62 business app plugins, and 110 skills. Non-developers are 20% of 5M weekly users, growing 3x faster.

Compare top AI app builders for prototyping, mobile apps, internal tools, backend depth, security, pricing, and code ...