How to Maximize OpenAI’s Codex
The article discusses how to maximize the use of OpenAI's Codex coding agent. The author shares personal experiences and techniques that have led to improved performance with Codex compared to other models. Key comparisons are made between Codex and Anthropic's Claude Code, highlighting their strengths and weaknesses in coding tasks.
- ▪The author has been experimenting with OpenAI's Codex and has seen improved results compared to previous versions.
- ▪Codex is noted for being faster and more precise in completing specific tasks than Claude Code.
- ▪The author emphasizes the importance of using real-world tasks to evaluate the capabilities of coding models.
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LLM Applications How to Maximize OpenAI’s Codex Learn how to get the most out of OpenAI's coding agent Eivind Kjosbakken May 18, 2026 9 min read Share In this article, I’ll discuss how to get the most out of OpenAI’s Codex Coding Agent. Image by ChatGPT. I’ve written a lot of previous articles about Anthropic’s Claude Code, and how I use it for programming, and different techniques that I apply to make it more effective. However, the last two weeks I’ve been experimenting more and more with OpenAI’s Codex and seeing vastly improved results compared to Codex a few months ago.
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Excerpt limited to ~120 words for fair-use compliance. The full article is at Towards Data Science.
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