I read the docs of 9 WordPress AI search plugins. Three run TF-IDF and four send you a second bill.

Full disclosure before anything else: I build one of these. Queryra is mine. That is exactly why I went and read what the other eight actually say about themselves, rather than what their names imply.

Source: [Dev.to](https://dev.to/gronrafal/i-read-the-docs-of-9-wordpress-ai-search-plugins-three-run-tf-idf-and-four-send-you-a-second-bill-5812)