General AI assistantsuses AI
Grok
xAI's assistant on web, iOS, Android and X.
Best for
Brainstorming, real-time trend research for marketing.
Pricing
Free $0; Plus $8/mo; Premium $30/mo; Super $100/mo; Ultra $200/mo (taxes extra) (checked 2026-10-18 on the official site; prices change)
Pros
- Free to try
- Bundles X features on paid tiers
Cons
- Top tiers costly
Visit the official Grok site →