Grok offers a Starter plan at $15/month with up to 10 prompts every 2 hours,...

https://fernandowehn083.timeforchangecounselling.com/how-many-images-per-day-on-grok-free-tier-is-it-really-3

Grok offers a Starter plan at $15/month with up to 10 prompts every 2 hours, and a Pro plan at $35/month for higher usage. Note that paid plans don’t include a free trial