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

Codex in the ChatGPT mobile app lets you use your phone to tell Codex on your computer to work on a task. With your phone, you can “work across all of your threads, review outpu ...

When you're ready to start your first chat, click or tap New chat, type your prompt in the composer, and press Enter or tap ...

Same prompt, three very different vibe-coding tools ...