Caution over citations and sources
Claude users should be warned that large language models (LLMs) like those that power Claude are notorious for sneaking in plausible-sounding confabulated sources. A recent survey of citation accuracy by LLM-based web search assistants showed a 60 percent error rate. That particular study did not include Anthropic’s new search feature because it took place before this current release.
When using web search, Claude provides citations…
Article Source
https://arstechnica.com/ai/2025/03/anthropics-new-ai-search-feature-digs-through-the-web-for-answers/