research#llm📝 BlogAnalyzed: Feb 2, 2026 00:00

Codex CLI vs. Copilot CLI: A Surprisingly Close Race in AI Code Review

Published:Feb 1, 2026 23:48
1 min read
Qiita AI

Analysis

Exciting news for developers! A recent study comparing Codex CLI and Copilot CLI for code review revealed they perform at a very similar level, defying initial expectations. This opens up exciting possibilities for utilizing various AI tools in your workflow without significant performance trade-offs.

Reference / Citation
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"180回計測した結果、平均応答時間に統計的な有意差はありませんでした。"
Q
Qiita AIFeb 1, 2026 23:48
* Cited for critical analysis under Article 32.