🟢 ChatGPT API & models 📅 Released 23 Apr 2026 Difficulty: Beginner Models & training

OpenAIが推論能力を強化した最新モデルGPT-5.5を発表

Original title: Introducing GPT-5.5

① What is it? (in three lines)

The article text below is written in Japanese.

OpenAIが最新モデル「GPT-5.5」を発表しました。 従来より処理速度と推論能力が大幅に向上しています。 コーディングやデータ分析など複雑なタスクに最適化されました。

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

コーディングや高度なリサーチ、複雑なデータ分析をより迅速かつ正確に実行できます。複数のツールを横断した作業が効率化され、開発や研究の生産性が向上します。

Read the official post ↗ openai.com

🔗 Going deeper (outside articles)

Collected automatically with Gemini Search
📄 Read an excerpt of the original (148 characters)
Introducing GPT-5.5, our smartest model yet—faster, more capable, and built for complex tasks like coding, research, and data analysis across tools.
#OpenAI#GPT-5.5#LLM#AI開発

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Fetched at 30 Apr 2026, 11:45:08 · summarised at 30 Apr 2026, 11:48:14