OpenAI spills technical details about how its AI coding agent works

On Friday, OpenAI engineer Michael Bolin published a detailed technical breakdown of how the company’s Codex CLI coding agent ...
InfoWorld

CPython vs. PyPy: Which Python runtime has the better JIT?

JIT compiler stack up against PyPy? We ran side-by-side benchmarks to find out, and the answers may surprise you.

Can a newbie really vibe code an app? I tried Cursor and Replit to find out

I'm not a programmer, but I tried four vibe coding tools to see if I could build anything at all on my own. Here's what I did and did not accomplish.

I used GPT-5.2-Codex to find a mystery bug and hosting nightmare - it was beyond fast

I used GPT-5.2-Codex to find a mystery bug and hosting nightmare - it was beyond fast ...
CSO Online

Output from vibe coding tools prone to critical security flaws, study finds

The assessment, which it conducted in December 2025, compared five of the best-known vibe coding tools — Claude Code, OpenAI Codex, Cursor, Replit, and Devin — by using pre-defined prompts to build ...

Replit is the fastest way I’ve found to start coding — and now I get the hype

Want to use AI to start vibe coding? I tried Replit to see how easy it was.