GPT-5-Codex Prompting Guide | OpenAI Cookbook

Important details about GPT-5-Codex and this guide: This model is not a drop-in replacement for GPT-5, as it requires significantly different prompting. This model is only supported with the Responses API and does not support the verbosity parameter. This guide is meant for API users of GPT-5-Codex and creating developer prompts, not for Codex users, if you are a Codex user refer to this prompting

[stealthinu]

超要約すると「余計な指示はすんな」ってことみたい。やってほしいことだけ書いたら自分で予定立てて自分で最小限のツール使ってやってくれると。

[atico]

“The ”Planning” section of the GPT-5 dev message in Codex CLI is no longer needed in GPT-5-Codex, as the model is trained to produce high-quality plans.” 計画と実装を今までわけて依頼してたけど、もう必要ないよってことか。

[miguchi]

“GPT-5-Codex”

[ToTheEndOfTime]

こういったガイドがある時点で面倒

[aul]

codexで使ってる分には正直あまり差を感じないけど

[mak_in]

The core prompting principle for GPT-5-Codex is “less is more.” / ローエのless is more というフレーズがここで出てくるのね。面白い。 https://ja.m.wikipedia.org/wiki/%E3%83%AC%E3%82%B9%E3%83%BB%E3%82%A4%E3%82%BA%E3%83%BB%E3%83%A2%E3%82%A2