As of September 2026, Grok offers two purchasing options: directly at grok.com...

https://golf-wiki.win/index.php/File_Attachments_Pricing:_$10_per_1,000_Calls_on_Grok_API_Explained

As of September 2026, Grok offers two purchasing options: directly at grok.com and via the X platform. There’s no paid-plan trial, but a free tier limits you to about 10 prompts every two hours