Codex vs CodeRabbit: Choose the Ownership Boundary, Not the Review Score
I defined the comparison framework and the decision criteria. AI helped re-check the current official documentation and rewrite the Japanese draft f…
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Codex CLI with any model: the "codex router" setup in one config block
OpenAI's Codex CLI is a genuinely good coding agent, but out of the box it runs OpenAI models on OpenAI billing. Sometimes you want Claude Opus for…
I Could Measure Claude and Codex Usage. I Still Couldn't Honestly Assign It to a Task.
Once you use Claude Code or Codex for real work, a total usage number stops being enough. You want to know which change consumed it. I did not build…
Don't Let Codex Roam Free: 6 Guardrails I Use for AI-Assisted Coding
Leaving Everything to AI Feels Risky. But Codex Became Much More Reliable Once I Put Up Some Guardrails https://github.com/tosane932/sales_data_app…
Cumora Makes Agent Coordination the Product, Not a Chat Feature
Cumora’s public repository presents a cross-platform team chat application in which AI agents occupy the same conversational spaces as people: direc…
OpenAI launches ChatGPT desktop app for Linux
OpenAI is finally bringing a dedicated ChatGPT desktop app to Linux operating systems.
How I use scheduled Codex jobs to build daily reports
Most of my analytics job should not be done by an LLM. The source metrics, dates and repeatable transformations should stay exact. I used to think t…
We Got the Prompt Cache Working. Our Pipeline Got Slower.
"You're spawning a fresh codex exec for every single call? Just run the app-server and reuse a thread. The prompt cache alone will pay for it." That…
I tried out OpenAI’s new AI keypad — which will be fun for some coders and slightly mystifying to everyone else
OpenAI's fancy new AI keypad will be a lot of fun for some, while many others are probably not going to touch it.
Best Tools for Managing Parallel AI Coding Agents in 2026
Running one coding agent is easy. Running six is where the workflow problems start showing up. We built one of the tools in this list, Nimbalyst, an…
Teaching Codex to Paint: A Stateful Image-Editing Skill Built on Gemini's Interactions API and MCP
TL;DR: nb2lite-skill-codex wraps Google's gemini-3.1-flash-lite-image model (NB2Lite) in a tiny FastMCP server and packages it as a Codex skill. You…
Two AI models that attack each other beat one that agrees with itself
Two AI models that attack each other beat one that agrees with itself Four times I asked the same question. Four times I got a confident answer. All…
OpenAI ships Codex into Claude Code — two commands, or four?
A rare thing happened on March 30, 2026: OpenAI shipped first-party tooling straight into a competitor's terminal. The result is codex-plugin-cc , a…
Swarming Claude Code and Codex in Parallel: Running Multiple Agents at Once with tmux and Git Worktrees
In my previous post about a cost budget advisor , I built a mechanism that checks how much quota is left before it runs anything. This time I want t…
Codex Deleted Real Files. The Fix? A Flag You Didn't Set.
Codex Deleted Real Files. The Fix? A Flag You Didn't Set. On July 9, 2026, OpenAI shipped GPT-5.6 Sol -- three model tiers, a new reasoning engine,…
Your Codex model shuts off July 23 — a 7-day migration map
I pin model IDs on purpose. Floating aliases have burned me before — a silent swap under a -latest tag once changed a tool-calling detail in product…
Amid hardware legal battle, OpenAI releases a $230 keyboard for Codex
OpenAI, which is in the middle of a legal battle with Apple over hardware trade theft allegations, just released a light-up keyboard designed to be…
Did Codex Overtake Claude Code? The 7M-User Question
Did Codex Overtake Claude Code? The 7M-User Question Codex hit 7 million active users on July 13, 2026 — up from 600,000 at the start of the year. T…
Codex Users Hit Tool-Call and Workspace Bugs on the New GPT-5.6 Build
The rollout of the GPT-5.6 family inside Codex is generating a cluster of bug reports, and several point at the tool-calling layer — the exact subsy…
Splitting Work Between Claude Code and Codex on One Mac: Claude Designs, Codex Implements
This is a continuation of my "Claude Code environment" series, following How I split Claude Code's memory into four layers . This time I want to wri…
I turned my old gaming PC into a Linux server
Sometimes an upgrade is not about buying something new. Sometimes the better move is taking the thing that is already sitting there and giving it a…
Five ways your AI coding agent wastes tokens (and how to fix each one)
On a metered API key, token waste shows up as a bill. On a subscription plan, Claude Code, Codex, "5x" and "20x" tiers, it shows up as a lockout. Yo…
Open Codex app from the macOS Terminal with the Current Project Selected
I wanted a quick way to open Codex app directly from the macOS terminal with the current project folder already selected. Add the following function…
Claude Code and Codex are logging your token usage locally. Here is how to read it.
Your AI coding agent's token data is already on your machine. You just haven't looked at it yet. Claude Code and Codex both write local logs after e…
Treat AI coding sessions as project infrastructure
Most AI coding workflows treat the current session as the important part. That makes sense while you are in the loop. You ask Claude Code to inspect…
Why I Stopped Letting AI Write My Code (May 2026)
This article shares why a web engineer holding a Claude Code Max 20x plan has mostly stopped using AI for coding at work. It's not about abandoning…
Making Codex CLI and Codex.app Use mise-managed Ruby and Node.js
I mostly use Claude Code, but lately I've been using Codex CLI and Codex.app (hereafter "Codex") more often too. My environment is macOS. However, a…
Run OpenAI Codex CLI on Claude, Gemini, or Llama — in 50 lines of C#
OpenAI's Codex CLI ships with a great editor-agent UX: shell tool, apply_patch , plan tracking, the lot. The catch — as of February 2026 it only spe…
Codex Team Usage SOP
A Team SOP for Using Codex, OpenSpec, and Superpowers 1. Purpose This SOP defines how a team should use Codex, OpenSpec, and Superpowers for require…
Sharing memory between three AI agents: Claude Code, Codex, and Hermes
Turkish version: blog.arasmehmet.com What's in here: Hot-swap pain Why not just X? Setup at a glance The hub, INDEX.md Agent workflow rules Privacy…