- Brave AI
Brave's AI page covers Ask Brave, the Leo browser assistant, and the Brave Search API. The API serves its own index at $5 per 1,000 search requests, with $5 of free credit a month.
- Exa
Exa is a paid web index and retrieval API for agents. Search starts at $4 per 1,000 requests, contents at $1 per 1,000 pages, and a new account gets $10 in credits each month.
- SearXNG
SearXNG is an AGPL-3.0 metasearch engine you host yourself. It queries other engines, including Brave, Exa, Google, and Bing, and it does not keep a user profile.