Codex and Claude Code really did split: what a 350-like migration tweet tells us about two ecosystems quietly trading shifts

If you only read feature comparison tables, Codex and Claude Code differ in thirty places: model choice, browser support, rate limits, phone handoff. That is not what I want to write about today. Today I want to write about a 350-like tweet, and the two core maintainers standing next to it. The tweet that broke the silence Peter Yang (@petergyang) writes the Practical AI tutorials newsletter, 150K+ subscribers. At 3:32 AM UTC on June 20, he posted: ...

June 21, 2026 · 7 min · cuigh

YES-CODE is here. So where's the SaaS moat in 2026?

I was up late scrolling X when Guillermo Rauch, the CEO of Vercel, dropped a short thread. No hedging. No build-up. Just a one-word verdict. YES-CODE. An entire category of software, “no-code”, was built under the presumption that code is expensive, difficult, and scarce. Coding agents have forever changed the equation. Code is now cheap, easy, and abundant. [1] Within 24 hours, the same conclusion came back from three people who don’t usually agree on anything. ...

June 4, 2026 · 7 min · cuigh

Codex Mobile: Turning Your Phone Into a Remote Control for AI Coding Agents

OpenAI recently brought Codex into the ChatGPT apps for iPhone, iPad, and Android. At first glance, that sounds simple enough: now you can use Codex on your phone. I do not think that is the interesting part. Honestly, who wants to review code diffs on a phone for half an hour? That sounds more like punishment than productivity. The real point of Codex Mobile is that it turns the phone into a remote control for AI coding agents. The code still runs on your laptop, Mac mini, devbox, or remote environment. The phone is there for checking progress, answering questions, approving commands, changing direction, and dropping in a new task when an idea shows up. ...

May 15, 2026 · 7 min · cuigh