kantanstart https://blog.hatena.ne.jp/kantanstart/ 簡単スタートを目指す https://kantanstart.com/ Last updated: Oct 24 2025 (JST) OpenAI Introduces ChatGPT Atlas — A New Sidebar AI Assistant, Now Available on macOS On October 21, 2025, OpenAI announced ChatGPT Atlas, a new browser assistant that lets you access ChatGPT from a sidebar to summarize pages, compare information, and research without … 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkantanstart.com%2Fentry%2Fen%2Fchatgpt-atlas" title="OpenAI Introduces ChatGPT Atlas — A New Sidebar AI Assistant, Now Available on macOS - 簡単スタートを目指す" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/k/kantanstart/20251024/20251024055702.png Hatena Blog https://hatena.blog 2025-10-24 05:58:22 rich https://kantanstart.com/entry/en/chatgpt-atlas 1.0 100%