
How to Use OpenAI Codex CLI for Free in 2026: 4 Working Methods
OpenAI Codex CLI is free to install but metered to use. Here are 4 real ways to run Codex without paying for API tokens — from ChatGPT free tier to OpenRouter routing.
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OpenAI Codex CLI is free to install but metered to use. Here are 4 real ways to run Codex without paying for API tokens — from ChatGPT free tier to OpenRouter routing.

GPT‑5.6 Sol vs Claude Opus 5: Sol leads on coding speed and agentic tool use; Opus 5 leads on novel reasoning and self-checking. Pick by job, not by scoreboard.