Grok’s paid plans start at $40/month for basic access and $75/month for...

https://sticky-wiki.win/index.php/What_Are_the_Grok_4_Heavy_Benchmark_Scores_Mentioned_for_Heavy%3F

Grok’s paid plans start at $40/month for basic access and $75/month for enhanced features, with a cap of about 10 prompts every 2 hours. There’s no free trial, so you’ll need to commit upfront