This Week's Tech Summary: iOS 26.0.1 Release, YouTube Premium Lite Expansion, OpenAI "Sora 2" Launch, Comet AI Browser Now Free

This week (October 4, 2025, Japan time), the tech world is abuzz with news. Apple has released iOS 26.0.1 for iPhones, addressing initial bugs. This "stable version" following a major update is recommended for general users. Meanwhile, YouTube has launched Premium Lite in India for ₹89 per month, offering ad-free viewing at a more affordable price (ads will still appear in music and Shorts). OpenAI officially announced the new generation video and audio generation model **"Sora 2,"** which improves physical accuracy, audio synchronization, and controllability. Additionally, Perplexity has made the Comet AI browser "free for everyone," expanding access to AI browsing. NDTV Profit's weekly roundup also features Anthropic's Claude Sonnet 4.5 and Amazon's new Echo/Fire TV lineup. From the perspective of Japanese consumers, practical checkpoints include (1) safely updating iOS, (2) understanding the cost-effectiveness and limitations of Premium Lite, (3) the future of copyright and commercial use for Sora 2, and (4) utilizing free AI browsers and assessing information accuracy.