Claude leans on Brave Search, reshaping AI visibility for brands

Claude’s visibility is starting to look less like an abstract AI search problem and more like a very specific Brave Search problem. In Jonathan Clark’s summary of a Zero Click by Profound session, Claude searched in just 36.6% of prompts, and when it did, it appeared to use Brave’s top 10 results directly rather than re-ranking them. That makes Brave rankings a practical signal for brands that want to show up inside Claude’s answers.

The trigger patterns are just as revealing. Freshness, ranking, location and comparison intent were the prompt types most likely to push Claude into live search, while generic asks such as “what is” and “steps to” were more likely to come from memory. Prompts built around “best,” “top,” “near me” and “X vs. Y” were far more likely to force a search. In the same analysis, Claude’s citations overlapped with ChatGPT’s in only 8% of the same prompts, but overlapped with Google rankings at 64%, a sign that traditional SEO work may transfer into Claude more cleanly than many teams expect.

Anthropic’s own documentation reinforces that behavior. The company says Claude uses web search when it judges up-to-date information would improve an answer, and that it can generate targeted search queries, run progressive searches and return citations to source material. Anthropic announced web search on its API on September 10, 2025, and its Trust Center says TurboPuffer provides web search for all Anthropic products except Claude for Government.

The Brave connection has been visible for months. Anthropic added Brave Search to its subprocessor list in March 2025, and Simon Willison reported that Claude and Brave returned identical citations for at least one search while Claude’s web search function exposed a parameter called BraveSearchParams. Brave says its search engine is built from scratch on an independent index, and its own update said query volume climbed from 656 million in January 2024 to 1.19 billion in December 2024, while search advertising clicks grew 15 times over the same stretch.

That growth matters because AI visibility is becoming a zero-click game. Profound’s Zero Click summit in New York City in 2025 focused on how search shifts from clicks to conversations, citing 240 million AI searches per day and just 19% overlap between ChatGPT answers and Google’s top results. Mistral also said in February 2025 that Le Chat would use Brave Search for live web results. The strategic risk is clear: optimizing only for Google leaves a blind spot if Claude is pulling answers from a smaller search ecosystem with its own rankings, its own index and its own rules.