OpenAI
2 posts

Codex Mobile with Third-Party API: Exploiting the Auth/Model Layer Decoupling
Got Codex Mobile working with a third-party API relay. The key insight: Auth and Model layers are fully decoupled — ChatGPT handles identity, coding.rexai.top handles inference. Full configuration guide included.
May 16, 2026 · 5 min · 976 words · ByteNote

Codex CLI 0.86.0 Update: Skill Config, Web Search, Sandbox Elevation & More
OpenAI Codex CLI, this terminal tool, received major version updates from 0.80.0 to 0.86.0, including SKILL.toml skill config, web search control, sandbox elevation, and headless login. Let’s see how to make the most of AI programming.
January 16, 2026 · 6 min · 1178 words · Rexai Programming
