What sets Anthropic’s web search feature apart is that it is automatic. Rather than requiring users to manually select a web search on a given query (as with OpenAI’s ChatGPT), Claude decides on its own whether fetching web data would improve an answer.

Anthropic released Claude 3.7 Sonnet. As the industry's first hybrid reasoning model, it was a major milestone for the company. Rather than forcing users to pick between a version of Claude that can answer a question nearly instantaneously or work through a problem step by step,

Web search is available now in preview for paid Claude users in the U.S., Anthropic said in its blog, with support for free users and additional countries coming soon. Users can toggle on web search in their profile settings from the Claude web app, and Claude will automatically search across sites to inform certain responses.