I Tried OpenAI's New Codex Agent. Here are my First Impressions (It's Really Good)

· Dan Vega · Feb. 5, 2026, 3:38 p.m.
Summary
The blog post shares the author's experience using OpenAI's new Codex agent to develop a vending machine command-line interface application in Java. The author highlights the capabilities of the Codex agent and provides practical insights into its effectiveness for software development.
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