https://www.backbox.org/wp-content/uploads/2018/09/website_backbox_text_black.png00adminhttps://www.backbox.org/wp-content/uploads/2018/09/website_backbox_text_black.pngadmin2026-02-17 18:07:222026-02-17 18:07:22Claude Sonnet 4.6 delivers frontier-level AI for free and cheap-seat users