research#llm📝 BlogAnalyzed: Feb 1, 2026 23:00

Codex CLI vs. Copilot CLI: A Surprising Showdown with No Clear Winner!

Published:Feb 1, 2026 22:51
1 min read
Qiita AI

Analysis

This article presents an exciting head-to-head comparison of Codex CLI and Copilot CLI, revealing that, surprisingly, there's little difference in performance! The study, which involved 180 tests, found the two tools to be remarkably similar in terms of response time and output quality, a fantastic result for developers.

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 22:51
* Cited for critical analysis under Article 32.