Grok AI Review: Pros, Cons, and How to Use It

• Grok AI is an Elon Musk–backed chatbot with real-time web access, STEM reasoning, and image analysis capabilities.
  
• Owned by xAI, Grok is integrated into the X platform (formerly Twitter) and also available on Telegram and standalone apps.
  
• As of February 2025, Grok is free for all X users, though usage limits apply (10 messages every 2 hours).
  
• Detection tests reveal Grok’s outputs are highly detectable in academic and technical writing.
  
• The platform includes a download feature to save generated responses directly.

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“Probably none of us will have a job in the future,” Elon Musk declared at a tech conference in 2024. 

Bold words from the man who’s now building his own AI to make that prediction come true.

Now, Musk’s AI company has built their own answer to that future: Grok AI—a real-time chatbot embedded inside the very social platform he rebranded as “X.”

Grok AI is backed by xAI and powered by a 2.7 trillion parameter model. 

It pulls live data from the web, solves STEM problems like a researcher, and even analyzes images.

But is it truly the future of conversational AI, or just another Musk-driven moonshot?

This blog breaks down everything you need to know: what Grok AI is, how to use Grok AI (for free), what makes it different, and whether it can hold its own against competitors like ChatGPT, Claude, and Gemini. 

You’ll also get a full review of its strengths, weaknesses, detection risks—and what that means if you’re planning to use it for technical or academic work.

Let’s dive in.

What Is Grok AI?

If you’re wondering what is Grok AI, here’s the straightforward answer: 

Grok AI is an AI chatbot built to provide fast, accurate, and versatile assistance across a wide range of tasks.

The core functions of Grok AI include:

• Text generation
• Conversation
• Web search with real-time updates
• Image analysis
• Code generation and debugging
• Logical problem-solving

This makes Grok suitable for both creative and technical use cases.

Unlike many AI chatbots that only know things up to a certain date, Grok can search the web in real-time to give you the latest information. 

The first version of Grok launched in November 2023. The third and latest version, Grok 3, was released in February 2025 with improved capabilities.

Grok is available on X (formerly Twitter), Telegram—via a $300 million partnership—and as a standalone app.

Who Owns Grok AI?

For those asking who owns Grok AI, the answer is xAI, an artificial intelligence company founded by Elon Musk in July 2023.

The mission of xAI is to advance scientific discovery and deepen our understanding of the universe.

Elon Musk has a significant history in AI. 

He co-founded OpenAI in 2015 but left its board in 2018. 

He also leads Tesla’s AI efforts, especially in Full Self-Driving technology, and heads Neuralink, which focuses on brain-computer interfaces.

Besides Grok AI, xAI launched the Grok 3 API in April 2025, expanding the chatbot’s capabilities for developers and businesses.

How to Use Grok AI

Using Grok AI is pretty simple—you just need to meet a few platform requirements. Since Grok is built into X (formerly Twitter), you’ll need access to their platform.

Here’s how to use Grok AI: 

Step 1: Sign up/Login to Your X Account

• Your  X account needs to be at least 7 days old before you can start using Grok

Step 2: Go to the Grok 

• Find Grok in X’s main menu or sidebar. The interface integrates directly into X’s existing layout.

Step 3: Start Using Grok

• Start your research on Grok within the usage limits. 

Grok offers real-time information through X’s ecosystem. If you’re seeking more flexible and platform-independent writing tools, here are different options for you:

For Academic Writing: The AI Essay Writer generates A+ essays in seconds while bypassing AI detection tools.

This eliminates research time and deadline stress without platform restrictions.

For Content Marketing: The AI SEO Content Writer creates optimized, keyword-researched articles using advanced humanization technology.

The content passes AI detection tools and reads naturally.

Is Grok AI Free?

The answer is yes. As of February 2025, Grok AI is now free, but this wasn’t always the case. 

When Grok first launched in November 2023, it was exclusively available to X Premium subscribers only. 

Users had to pay for X Premium ($8/month) or X Premium+ ($16/month) to access any version of Grok. 

This created a major barrier to entry and limited adoption compared to competitors offering free tiers.

It was in February 2025 that the company, xAI, decided to make the Grok 3 version freely available to all X users. 

Free Tier Limitations (2025)

For those wondering how to use Grok AI free, here are the current restrictions:

• Image Analysis: Limited to 3 analyses per day
• Image Generation: Up to 4 generations daily
• Account Requirements: Must be at least 7 days old and linked to a phone number

Premium Subscription Benefits

Premium subscribers enjoy unrestricted access including:

• Unlimited messaging without time-based limitations
• Advanced features like “Big Brain” reasoning mode for complex problem-solving
• DeepSearch capabilities for comprehensive research tasks
• Priority access during high-demand periods

Strengths and Weaknesses of Grok AI

Let’s weigh the strengths and weaknesses of Grok AI:

Strengths	Weaknesses
Has real-time internet access for up-to-date responses	Free tier limits users to 10 messages/ two hours
Grok 3 model is free of charge, and is outperforming ChatGPT and DeepSeek in benchmarks	Accessible through the X ecosystem which limits platform flexibility
Delivers more direct, less filtered answers than many competitors	Newer technology with less maturity compared to established AI systems
Available on multiple platforms: X, Telegram, standalone app, and API	Free access may become paid-only in the future
Powered by a large 2.7 trillion parameter model	Supports fewer third-party app integrations than competitors

Can Grok AI Content Be Detected?

We ran a full test to see how well today’s detection tools can spot content made by Grok AI.

• Method

We generated 3 pieces of content using Grok 3, each containing 500-1000 words across different categories such as, technical, creative and academic.

Testing Protocol

• Raw Output Testing: All Grok-generated content tested without editing
• Prompt Standardization: Identical prompts used for fair comparison
• Control Group: Human-written samples tested for baseline accuracy
• Detection Tools: Originality.AI, GPTZero, Undetectable AI.

Each detection tool was validated using 100% human-written content to establish baseline accuracy before testing Grok outputs.

• Analysis

1 – Creative Content Detection

A 790-word creative story was evaluated using Undetectable AI Detector.

The prompt was:

“Write a short story (500–1000 words) in a near-future setting where artificial intelligence has replaced most human jobs. Focus on a character who is struggling to find purpose in this world. Incorporate dialogue, inner thoughts, and sensory detail to immerse the reader.”

The detector marked 55% of the content as AI.

2 – Technical Content Performance

We tested a 947-word technical explanation using GPTZero.

The prompt was:

“Explain quantum entanglement in physics using simple analogies, including historical context and current applications.”

GPTZero flagged 100% of the content as AI-generated.

3 – Academic Content Analysis

We submitted a 749-word argumentative essay to Originality AI. The prompt was:

“Write an argumentative essay discussing whether social media platforms should be legally required to moderate misinformation. Present at least two strong arguments for and against regulation, include relevant examples or case studies, and conclude with your own stance supported by evidence.”

he detector labeled 100% of the content as AI-generated.

Baseline Accuracy Check: All the AI detection tools we used correctly identified the human-written samples with 99–100% accuracy.

It’s also worth noting that the Undetectable AI Detector has been independently tested by third-party studies and shown to be 100% accurate across different writing categories. 

• Results

Here is the summary of detection rates:

Technical Content: 100% detection rate (High vulnerability)

Academic Content: 100% detection rate (High vulnerability)

Creative Content: 55% detection rate (Moderate vulnerability)

Content Vulnerability Analysis

Category	Key Insight
Detection Risk	Technical and academic content show highest detection rates (100%)
Detection Gap	45% higher for academic vs. creative content (100% vs. 55%)
Core Factor	Structured, formal writing is easier to detect than creative styles
Verdict	Grok AI is vulnerable in formal use cases
Recommendation	Avoid using Grok AI for technical or academic writing if undetectability is key

If you’re working with formal writing—like technical or academic content—and need to avoid AI detection, two tools can significantly lower your detection risk to just 5–7%:

AI Stealth Writer

AI Stealth Writer detects traces from tools like ChatGPT and Bard, then rewrites the content to pass as human-written. It helps you keep your work trustable and publishable.

AI Humanizer

Converts AI-generated text into natural, human-like writing. AI Humanizer helps you protect your reputation and meet quality standards effortlessly.

Grok AI vs. Other AI Chatbots

Let’s take a look at platform overview:

Platform	Launch	Maturity	Monthly Users	Free Tier
ChatGPT	November 2022	2+ years	100M+	GPT-3.5 + limited GPT-4o
Google Gemini	Feb 2023	1+ year	50M+	Gemini 1.5 Flash
Claude	March 2023	2+ years	20-30M	Daily message limits
Microsoft Pilot	September 2023	1+ year	25M+	Basic features
Grok AI	November 2023	1.5+ year	10-15M	10 messages/2 hours

Let’s analyze the standout feature and top weakness of each platform

Platform	Strength	Weakness
ChatGPT	Creative writing, conversation, coding help	Knowledge cutoff, peak-time slowdowns
Google Gemini	Google ecosystem, multimodal, search integration	Inconsistent answers
Claude	Document analysis, safe outputs, long-form writing	Conservative responses, limited real-time data
Microsoft Pilot	Productivity, Office 365 integration, enterprise workflows	Lower diagnostic accuracy, limited creativity
Grok AI	Real-time info, strong STEM/math reasoning	Platform limited to X (Twitter), smaller ecosystem, usage limits

Here is the summary of the specialty strength of each tool:

• Real-time Data: Grok > Gemini > Others
• Creative Writing: ChatGPT > Claude > Gemini > Copilot > Grok
• Coding: Claude > ChatGPT > Grok > Gemini > Copilot
• STEM/Math: Grok > Gemini > ChatGPT > Claude > Copilot
• Document Analysis: Claude > Gemini > ChatGPT > Copilot > Grok

Want to give our AI Detector and Humanizer a spin? They’re right below!

FAQs About Grok AI

Conclusion

So, where do we stand with Grok AI?

This might not be the perfect tool, but this tool is genuinely useful. 

A no-cost AI chatbot that can browse real-time data? That’s amazing—especially when most other tools charge $20 a month for the same perk.

But let’s be real about the limitations. You only get 10 messages every two hours, and that cap comes at you quicker than you’d think.

And if you’re hoping to use Grok for school essays or work reports without getting caught, think again—detection tools nail it almost every time.

The bigger question is whether Grok can maintain its free access model. 

xAI said it’s available “until our servers melt,” which sounds suspiciously temporary. 

Once the novelty wears off and server costs pile up, don’t be surprised if that paywall comes back.

Still, Grok excels where it matters most: giving you current information without the knowledge cutoffs that plague other AI tools. 

Need to know what happened in the news today? Grok’s got you covered. 

Want help with a tricky math problem? It’s surprisingly good at that too.

The verdict? Grok AI is worth trying, especially while it’s free. Just don’t expect it to replace ChatGPT or Claude entirely. 

Whether Musk’s prediction about AI taking all our jobs comes true remains to be seen. 

But for now, at least we can use his own AI tool to stay competitive in the meantime.

Using Grok for writing?

Run it through Undetectable AI to humanize your content, beat AI detectors, and make sure it sounds authentically yours — every time.