Mastodawn

Simon Willison Mar 20, 2025

Anthropic shipped a new "web search" feature for their Claude consumer apps today, here are my notes - it's frustrating that they don't share details on whether the underlying index is their own or run by a partner https://simonwillison.net/2025/Mar/20/claude-can-now-search-the-web/

Claude can now search the web

Claude 3.7 Sonnet on the paid plan now has a web search tool that can be turned on as a global setting. This was sorely needed. ChatGPT, Gemini and Grok …

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Simon Willison Mar 21, 2025

It's using Brave as the search index, they quietly updated their "Trust Center" and added Brave Search as a subprocessor
https://simonwillison.net/2025/Mar/21/anthropic-used-brave/

https://bsky.app/profile/zugaldia.bsky.social/post/3lkvgzvarvs2s

Anthropic Trust Center: Brave Search added as a subprocessor

Yesterday I was [trying to figure out](https://simonwillison.net/2025/Mar/20/claude-can-now-search-the-web/) if Anthropic has rolled their own search index for Claude's new web search feature or if they were working with a partner. Here's …

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nickalt Mar 21, 2025

@simon I'm surprised Brave is allowed to resyndicate their Bing search results like this.

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Alex Nedelcu

@nickalt Brave has its own index. It isn't using Bing.

@simon