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Claude Sonnet 5 launches with smarter reasoning, stronger safety for Free and Pro users
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Techpivo News
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Affiliate links on Android Authority may earn us a commission. Learn more. General technology Claude Sonnet 5 launches with smarter reasoning, stronger safety for Free and Pro users Anthropic's newest AI model thinks deeper without costing flagship money. By Shimul Sood • 42 minutes ago • 0 • Megan Ellis / Android Authority Follow us on Google Discover Add us as preferred source TL;DR Claude Sonnet 5 is designed to tackle multi-step tasks more independently, with support for web browsing, planning, and developer tools. The new model promises near-Opus 4.8 performance at a lower cost, while improving on Sonnet 4.6 in reasoning, reliability, and safety. Sonnet 5 is now the default model for Claude’s Free and Pro users, with built-in cyber safety protections enabled. AI models are arriving at such a rapid pace that it’s becoming difficult to keep track of who’s leading the race. Just when you’ve gotten used to one, another arrives promising to be smarter, faster, and cheaper. The latest entrant is Claude Sonnet 5, which aims to deliver near-flagship AI performance without the premium price tag. That matters because most people don’t care about benchmark scores alone. They care about whether an AI can actually finish a task without constant hand-holding. Sonnet 5 is built with that in mind. Anthropic calls it “the most agentic Sonnet model yet.” Instead of simply answering questions, it can plan multi-step tasks, browse the web as needed, use developer tools such as terminals, and work more independently. Anthropic Sonnet 5 is also said to narrow much of the performance gap with the more powerful Opus 4.8 model while costing considerably less to run. Performance charts shared by Anthropic clearly show it consistently outperforming the previous Sonnet 4.6 model and matching Opus 4.8 on certain tasks when users increase the model’s “effort” setting. Beyond raw performance, the focus is also on making the model more reliable. Sonnet 5 is designed to better detect and