Grok’s paid plans start at $15/month for limited use and $50/month for extended...

https://wiki-fusion.win/index.php/Cheapest_Way_to_Test_Grok_for_a_Month:_Is_It_Just_$30%3F

Grok’s paid plans start at $15/month for limited use and $50/month for extended access, with a cap of about 10 prompts every 2 hours to manage load. There’s no free trial available, so buyers should be ready to commit when signing up