Claude Code Vs. Codex Cli: Head to Head
Posted3 months ago
mattwigdahl.substack.comTechstory
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AI Coding ToolsClaude CodeCodex CLI
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AI Coding Tools
Claude Code
Codex CLI
The article compares Claude Code and Codex CLI, two AI-powered coding tools, and the discussion revolves around the comparison and potential applications of these tools.
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Oct 3, 2025 at 10:34 AM EDT
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So I put the older and newer versions of Claude Code and Codex CLI to the same task of generating a simple React web app from a specification, using a consistent prompt structure, and compared the results.
It's not a quantitative evaluation, but it is an apples-to-apples qualitative comparison that shows clear differences in agent/model performance on an equivalent multistep task using equivalent approaches.