Grok
AI assistant from xAI, now part of SpaceX, with real-time web and X search
SpaceX announced on 2 February 2026 that it had acquired xAI, the company behind Grok.
What is Grok?
Grok is an AI assistant built by xAI, which SpaceX acquired in February 2026. It answers questions using real-time web and X search and has a voice mode; paid SuperGrok tiers add image and video creation through its Imagine feature and raise usage limits. It is available on grok.com, iOS, Android and inside X.
Good for
- Checking what is being said on X about a topic right now
- Creating images and short videos for social posts
- Asking general questions by voice
Key features
- Real-time web and X search
- Voice mode
- Image and video generation (Imagine) on paid tiers
- Grok Build for creating apps from a prompt
- Grok Bot on SuperGrok and higher
- Connectors to other tools
Limitations to know about
- Grok Bot requires SuperGrok or higher
- 1080p video creation requires SuperGrok Plus or higher
- Free use has lower rate limits than paid tiers
Grok pricing
| Plan | Price | What you get |
|---|---|---|
| Free | $0 | Web and X search, voice mode, connectors, within limits |
| SuperGrok Lite | Not published | Entry paid tier: longer chats, Expert mode, image and video creation; price not shown |
| SuperGrok | $30/month | Grok 4.6, Grok Bot, higher rate limits, image and video generation |
| SuperGrok Plus | $100/month | 1080p video, significantly higher usage, priority access at peak times |
| SuperGrok Heavy | Not published | Highest usage; includes X Premium+ at no extra cost; price not shown |
Free plan limits: Free within limits: real-time web and X search, voice mode and connectors, with lower rate limits than paid tiers
Grok alternatives
ChatGPT
OpenAI's AI chat assistant for writing, research, images, voice and coding
Claude
Anthropic's AI assistant for writing, analysis, research and coding
Google Gemini
Google's AI assistant app, with paid Google AI plans for higher limits
Perplexity
AI answer engine that replies with cited sources from the web
Meta AI
Meta's AI assistant inside WhatsApp, Instagram, Facebook and its own app
Microsoft Copilot
Microsoft's free consumer AI assistant, with more use in Microsoft 365 plans
Frequently asked questions
Is Grok free?
Grok has a free plan. Free within limits: real-time web and X search, voice mode and connectors, with lower rate limits than paid tiers.
How much does Grok cost?
Grok does not publish a starting price we could verify, so check its own pricing page for current rates.
What is Grok used for?
Grok is an AI assistant built by xAI, which SpaceX acquired in February 2026. People use it for checking what is being said on X about a topic right now, creating images and short videos for social posts and asking general questions by voice.
What are the alternatives to Grok?
Tools that do a similar job include ChatGPT, Claude, Google Gemini, Perplexity and Meta AI. Each has its own page here with its plans, limits and prices.
Who makes Grok?
Grok is made by SpaceXAI LLC, based in Palo Alto, California, US. The company was founded in 2023. SpaceX announced on 2 February 2026 that it had acquired xAI, the company behind Grok.
Sources
Every fact on this page comes from SpaceXAI LLC's own pages, read on the dates shown.
- x.ai/pricing (plans, prices, features, operator name (read in a browser because WebFetch got 403)) read 23 September 2026
- grok.com/supergrok (tier names and features, SuperGrok Heavy includes X Premium+ (read in a browser)) read 23 September 2026
- docs.x.ai/grok/faq (platforms, free tier limits) read 23 September 2026
- x.ai/news/xai-joins-spacex (acquisition by SpaceX) read 23 September 2026
- en.wikipedia.org/wiki/XAI_(company) (company founded and HQ) read 23 September 2026