What Is Grok? Features, Pricing and How to Use xAI’s Grok (2026)

What is Grok? Grok is a conversational AI assistant built by xAI, best known for searching the web and the X social network in real time. Here on AI Tool Nest we explain what Grok can do, its plan prices checked on the official pricing page, how to get started, and when to pick Grok over ChatGPT, Gemini or Claude.

Updated: November 1, 2026.

What is Grok? A short definition

According to xAI’s consumer FAQ, Grok is a conversational generative AI powered by the company’s large language models. You type or speak a request in plain language and Grok answers, writes, explains, codes and creates images in the same thread.

The name comes from the verb “grok”, coined by Robert A. Heinlein in his 1961 novel Stranger in a Strange Land, meaning to understand something intuitively. Elon Musk introduced Grok in November 2023, first for paying X users, before it grew into a standalone app.

Developer: xAI; official pages now list the company as SpaceXSI.
Launched: November 2023.
Where to use it: grok.com, iOS and Android apps, and the Grok tab inside X.
Languages: 30+ languages.
Plans: Free, Plus, Premium, Super, Ultra (The X Subscription).

How Grok AI works and what makes it different

Diagram of a chatbot answer citing web articles and social media posts — Illustration: Grok searches the web and X, then answers with sources.

Unlike chatbots that rely only on training data, Grok can search the web and public posts on X the moment you ask. Answers come with citations, so you can open the original source instead of trusting the summary blindly.

Who makes Grok?

Grok is developed by xAI, Elon Musk’s AI company. xAI is a separate company from X Corp, even though Grok is deeply integrated into X. Only sign up through grok.com, x.ai or the official apps.

Who is Grok for?

It suits news followers, creators who need to catch trends early, students who want step-by-step explanations and developers looking for quick coding help. If your work depends on fresh information every day, this is the strength worth testing.

Pricing and plans (checked November 1, 2026)

The x.ai/pricing page lists these monthly X Subscription plans, before tax:

Free – $0: limited chat and agent requests.
Plus – $8: Grok Chat, Voice, Imagine, Build, Grok API access and a shared usage pool.
Premium – $30: 4x the usage of Plus, the latest Grok models, image and video creation, faster replies.
Super – $100: 15x the usage of Plus, 15-second 1080p videos, priority access at peak times.
Ultra – $200: 50x the usage of Plus.

xAI says existing SuperGrok and X Premium plans continue for current subscribers. Usage allowances refresh weekly. Prices can change, so check the official page before paying and never buy accounts from resellers.

Key Grok features

Central chat window linked to icons for search, reasoning, image and video, voice, PDF and code — Six key Grok feature groups.

These features are listed on xAI’s product page. What you can access depends on your plan.

Chat and reasoning: step-by-step answers, writing, summaries, translation and brainstorming.
Real-time search: live web and X results with citations you can verify.
Multi-agent: several agents tackle parts of a hard question in parallel and merge one answer.
Grok Imagine: images and video from text or reference photos, up to 2K images and 15-second videos.
Voice: hands-free, low-latency conversations.
File and image analysis: upload PDFs, spreadsheets and screenshots to summarize and extract.
Memory, Canvas, custom instructions: remembers preferences, edits long documents and adapts its style.

For better answers, learn how to write AI prompts in 6 steps or browse our AI prompt library.

Limits and things to watch

Grok can still be wrong, especially on breaking news when posts on X have not been verified. Open the citations and read the original before you share anything or make a decision.

Social posts can contain rumors; prefer news outlets and official sources.
The Free plan limits requests, images and video.
Do not paste passwords, customer data or confidential documents into a chat.
Check usage rights before using AI-generated images or video commercially.

How to use Grok: a beginner’s guide

Three steps to use Grok: open the app, sign in with email, start chatting — Three steps to get started with Grok.

Step 1: Open Grok on an official channel

Go to grok.com in a browser or install the Grok app from the App Store or Google Play. You can also use the Grok tab inside the X app.

Step 2: Sign in

xAI says you can sign in with your X account or email so your history syncs across devices. Then pick a mode: search, reasoning, voice or image creation.

Step 3: Start with a small, well-defined task

For example: “Summarize today’s 5 biggest tech stories, 2 sentences each, with source links.” Read the result, open the sources to cross-check, then follow up to adjust length, tone or format.

If you are weighing several tools, see how to choose the right AI tool for your work.

Grok vs. ChatGPT, Gemini and Claude

Four AI chat windows in black, green, blue and orange side by side under a balance scale — Illustration comparing four popular AI assistants.

Each assistant has its own strengths. Use this quick summary to narrow it down, then read each tool’s full guide.

Grok vs ChatGPT: Grok shines on real-time news and trends from X. ChatGPT has a richer ecosystem of apps, custom GPTs and work integrations.
Grok vs Gemini: Gemini ties closely into Gmail, Docs, Drive and Google Search. Grok fits better if you follow conversations on X.
Grok vs Claude: Claude is well regarded for long-form writing and document analysis. Grok is quicker on fresh information and has built-in image and video creation.

Frequently asked questions about Grok

What is Grok?

Grok is a conversational AI assistant built by xAI (now operating as SpaceXSI) and launched in November 2023. It chats, searches the web and X in real time, writes, codes, analyzes files and generates images and video.

Is Grok free?

Yes. Grok has a Free tier with limited usage on grok.com and the mobile apps. Paid plans on The X Subscription raise limits and unlock more features.

How much does Grok cost?

According to x.ai/pricing (checked November 1, 2026): Free $0, Plus $8, Premium $30, Super $100 and Ultra $200 per month, before tax. Prices may change.

Does Grok support other languages?

Yes. xAI says Grok speaks and writes in more than 30 languages, including Vietnamese. Review important output before you use it.

How is Grok different from ChatGPT?

The biggest difference is Grok’s live search of public posts on X alongside the web. ChatGPT is stronger on its ecosystem of apps and work integrations.

Is Grok safe to use?

Use grok.com or the official apps only, never buy accounts from resellers, and do not paste passwords, customer data or other sensitive information into a chat.

Conclusion

Grok AI is worth trying if you want an assistant that keeps up with real-time news and creates images and video in one place. Start on the free plan, always check sources, then explore our AI tools library or head back to the AI Tool Nest home page.

Sources: Grok product page, official pricing, xAI consumer FAQ.