What is Grok 3?

• Blockchain Council
• February 20, 2025

On February 17, 2025, xAI, Elon Musk’s AI company, launched Grok 3. It is the latest version of its artificial intelligence model. This upgrade aims to compete with GPT-4o and DeepSeek V3 by improving reasoning, problem-solving, and real-time learning.

This article answers key questions:

• What is Grok 3?
• Is Grok 3 free?
• Is Grok 3 better than ChatGPT?
• How to use Grok 3?

What Is Grok 3?

Grok 3 is xAI’s third-generation AI model. It improves logical thinking, coding, and research. Unlike earlier versions, it offers better accuracy, stronger computing power, and real-time updates.

Elon Musk founded xAI to create AI that goes beyond standard responses. He named it Grok, inspired by a sci-fi book where the term means deep understanding. On February 18, 2025, he told CNBC that Grok 3 is “scary smart” and trained to seek truth.

Key Features of Grok 3

1. Smarter Reasoning and Problem-Solving

Grok 3 analyzes questions logically instead of giving instant replies. It checks its own work and corrects mistakes.

Example: During its launch, it planned a Mars mission, detailing fuel needs and return calculations step by step.

Modes for Different Tasks:

• Think Mode – Handles quick problem-solving.
• Big Brain Mode – Takes more time for complex tasks.

2. DeepSearch for Research

Grok 3 scans the internet and X (Twitter) for real-time information. It sorts through sources and delivers accurate summaries.

Example: When asked about SpaceX’s next launch, it checked 15 X posts and 32 websites in under a minute.

3. Multimodal Abilities

Grok 3 can process text, images, and videos. A voice feature is coming soon.

Example: A user typed a short story, and Grok 3 generated a matching video.

Upcoming Feature: Musk confirmed that Voice Mode will launch soon, allowing real-time conversations.

4. Real-Time Information

Unlike AI models that rely on old data, Grok 3 pulls the latest information from the web.

Example: A tech site asked about new solar energy research, and Grok 3 provided up-to-date results.

5. Coding and Technical Skills

Grok 3 excels at writing code, solving math problems, and answering science-related questions.

Example: It scored 93.3% on AIME 2025, beating GPT-4o (48%). It also outperformed rivals on LiveCodeBench.

6. Honest and Unfiltered Answers

Musk claims Grok 3 prioritizes truth over bias. Unlike some AI models, it answers tough questions without avoiding topics.

Example: NBC News tested it with controversial questions, and it provided direct, logical responses.

Technical Details of Grok 3

1. Powerful AI Model

Grok 3 runs on xAI’s Colossus supercomputer, built with 200,000 Nvidia H100 GPUs. This doubles the power of Grok 2.

2. Key Stats

• Total Parameters: 2.7 trillion
• Training Dataset: 12.8 trillion tokens
• Response Speed: 67 milliseconds
• Context Window: 128,000 tokens (handles long conversations)

3. Performance Scores

Grok 3 outperformed major AI models in benchmark tests:

• MMLU (Language Understanding): 92.7%
• GSM8K (Math Reasoning): 89.3%
• HumanEval (Coding): 86.5%
• Common Sense Reasoning: 90.1%

An early version, codenamed “Chocolate,” became the #1 AI on the LMSYS Chatbot Arena with a record-breaking score of 1402.

Is Grok 3 Free?

Yes! Grok 3 is free to use, but only for a limited time.

How to Use Grok 3 for Free?

1. Go to Grok.com or open the X app.
2. Sign in and start chatting without a subscription.

Access to Grok.com is currently restricted in the European Union and the United Kingdom, with plans for future expansion.

Paid Plans for Extra Features

xAI offers premium options for users who want faster responses and extra tools.

• X Premium+ ($40/month) – Includes priority access, DeepSearch, and Voice Mode.
• SuperGrok Subscription – Offers early access to new features.
• Future API Access – xAI plans to release an API for developers.

Is Grok 3 Better Than ChatGPT?

Grok 3 and GPT-4o are two powerful AI models with notable differences. Grok 3 operates on xAI’s Colossus supercluster, while GPT-4o runs on OpenAI’s advanced infrastructure. Both have a 128,000-token context window, but GPT-4o includes audio processing, which Grok 3 lacks. Grok 3’s DeepSearch enhances real-time research, whereas GPT-4o offers both free and paid access.

For a detailed breakdown of their features, strengths, and real-world performance, check out our article on Grok 3 vs ChatGPT.

Future Updates for Grok 3

1. Voice Mode

• Musk hinted that Voice Mode launches in late February 2025.
• It will allow real-time conversations, like ChatGPT’s voice feature.

2. Global Expansion

• xAI is working on European Union approval and GDPR compliance.

3. Grok 4 in Development

• xAI is already building Grok 4, which will improve reasoning, efficiency, and multimodal AI capabilities.

Final Thoughts

Grok 3 is a major AI breakthrough, offering advanced reasoning, real-time search, and coding power. It outperforms many models, including ChatGPT, in key areas. While it’s free for now, xAI may introduce paid plans soon.

For now, anyone can try it on Grok.com or the X app. With a dedicated app, Voice Mode, and future updates, Grok 3 could become one of the most powerful AI models ever built.