ChatGPT 4.5(GPT-4.5)は、2025年2月27日にOpenAIがリリースした最新のAIモデルです。従来のGPT-4やGPT-4oから大幅に性能が向上し、より自然な会話、高度な推論、高い共感性(EQ)を実現していますが、モデル自身が回答生成前にチェーン・オブ・ソート(逐次推論)を行う“推論型”ではなく、膨大な事前学習データによる知識強化に特化した「最後の非推論モデル」とされています。 2025年2月25日に発表されたClaude 3.7 Sonnet への対抗馬としての、数か月後に登場することが発表されているChatGPT-5までのつなぎのモデルにも感じられます。 やはり非推論モデルでは、「すもももももももものうち」の「も」の数は正解できないようです。 2025年2月27日 GPT-4.5 が登場 https://openai.com/ja-JP/index/introducing-gpt-4-5/ The Last Non-Reasoning Model: "ChatGPT 4.5 (GPT-4.5)" Emerges ChatGPT 4.5 (GPT-4.5) is the latest AI model released by OpenAI on February 27, 2025. It features a significant performance improvement over its predecessors, GPT-4 and GPT-4o, offering more natural conversations, advanced reasoning, and high emotional intelligence (EQ). However, it is not a "reasoning-type" model that performs chain-of-thought (sequential reasoning) before generating responses. Instead, it is positioned as the "last non-reasoning model," focusing on knowledge enhancement through extensive pre-training data. It also appears to serve as a transitional model leading up to ChatGPT-5, which is scheduled for release a few months later as a competitor to Claude 3.7 Sonnet, announced on February 25, 2025. As expected from a non-reasoning model, it still struggles to correctly count the number of "も" in the Japanese tongue twister "すもももももももものうち". Your browser does not support viewing this document. Click here to download the document. Your browser does not support viewing this document. Click here to download the document. Your browser does not support viewing this document. Click here to download the document. Your browser does not support viewing this document. Click here to download the document. Your browser does not support viewing this document. Click here to download the document. Your browser does not support viewing this document. Click here to download the document.
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著者萬秀憲 アーカイブ
March 2025
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