Claude Opus 4.1 をマスターする: プロンプトエンジニアリングの秘密、プロのヒント、コスト削減のコツ
Anthropic’s latest Claude 4 models – Claude Opus 4, its upgrade Claude Opus 4.1, and Claude Sonnet 4 – are redefining AI capabilities in 2025. But what are their key differences, and how can you leverage each effectively? This in-depth guide will explore the strengths of these three Claude models, the ideal use cases for each (from summarization to coding to creative writing), and practical Claude AI prompt engineering techniques to maximize their potential. We’ll also compare Claude 4 with OpenAI’s newest GPT-5 to see how they stack up in price, speed, reasoning, and user experience. Whether you’re a developer, content creator, or business user, read on to discover which […]