Gergely Orosz got inside access to the Codex team. Key findings: 1M+ devs use Codex weekly (5x growth since January); 90%+ of the app’s code is written by Codex itself; engineers now run 4-8 parallel agents simultaneously and are ‘agent managers, not just coders.’ The core is written in Rust for performance and correctness. Also: Peter Steinberger, OpenClaw’s creator, was revealed to write all of OpenClaw using Codex — and he just joined OpenAI to work on next-gen agents. Via The Pragmatic Engineer. Read more