🟢 ChatGPT API & models 📅 Released 5 May 2026 Difficulty: Beginner Models & training

OpenAIがGPT-5.5 Instantを公開、回答精度とパーソナライズ機能を強化

Original title: GPT-5.5 Instant: smarter, clearer, and more personalized

① What is it? (in three lines)

The article text below is written in Japanese.

ChatGPTのデフォルトモデルがGPT-5.5 Instantにアップデートされました。 ハルシネーションが低減し、より正確で賢い回答が可能になっています。 ユーザーごとの好みを反映するパーソナライズ制御機能が向上しました。

The headline and summary are an AI's Japanese rendering of each company's official announcement. They can diverge from the original. For the exact wording, follow the link to the official page. Terms of Use

② Main changes (3)

③ What you can now do

より信頼性の高い情報を素早く得られるようになります。また、個々のニーズに合わせた詳細な制御が可能になり、自分好みの回答スタイルをより正確に反映できます。

Read the official post ↗ openai.com

🔗 Going deeper (outside articles)

Collected automatically with Gemini Search
📄 Read an excerpt of the original (147 characters)
GPT-5.5 Instant updates ChatGPT’s default model with smarter, more accurate answers, reduced hallucinations, and improved personalization controls.
#OpenAI#GPT-5.5#アップデート

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Fetched at 6 May 2026, 10:49:11 · summarised at 6 May 2026, 10:49:23