Use Grok Build CLI when Codex limits run out

Melvin Vivas · X post · 2026-08-16 · Open on X

Topics: AI Dev Tools & Productivity · Level: beginner

Summary

A short tip: if you've hit your Codex usage limit and have no reset, switch to the Grok Build CLI as a backup coding assistant.

Keep a second CLI coding assistant ready for when your main tool hits its usage limit
The creator suggests Grok Build CLI as the backup when Codex is rate-limited

Grok Build · tool · x.ai · free
xAI's agentic coding CLI; data sharing is on by default and can be turned off with /privacy.
Also in: Setting up Grok Bot for coding with Grok Build and Cursor CLI (Melvin Vivas on X · notes), Reusable GPU devbox: PyTorch/CUDA plus six coding agents (Melvin Vivas on X · notes), Handing off an unfinished Codex session to Grok Build (Melvin Vivas on X · notes), Grok Build finishes a task Codex left hanging (Melvin Vivas on X · notes) and 10 more
OpenAI Codex · tool · openai.com · paid
OpenAI's coding agent. In the diagram it writes code, fixes review findings and drives the build loop. The creator also used it to make this video.
Also in: An agent bot that installs and drives Codex on its own (Melvin Vivas on X · notes), Asking a Coder bot to install Codex (Melvin Vivas on X · notes), Sign in with ChatGPT: Setting Usage Limits for Each App (Melvin Vivas on X · notes), Codex Cloud Environments Must Be Saved & Published Before Use (Melvin Vivas on X · notes) and 240 more