Grok’s paid plans start at $20/month for up to 100 prompts per month, with a...

https://victoriasmasterchat.yousher.com/why-did-grok-text-to-speech-jump-from-4-20-to-15-00

Grok’s paid plans start at $20/month for up to 100 prompts per month, with a cap of about 10 prompts every 2 hours to manage usage. The $50/month plan increases limits but both options don’t offer a free trial