Table of Contents
- What is Grok AI? Short & Simple Answer
- The Complete History: From Grok-1 to Grok 4 (2023-2025)
- All Grok Versions Compared (2025 Table)
- How to Use Grok AI for Free Right Now (3 Methods)
- Grok 4 – Everything We Know (Benchmarks, Release Date, Price)
- Grok vs ChatGPT vs Gemini vs Claude – Brutal Comparison 2025
- Grok Vision: How to Analyze Images and PDFs (Step-by-Step)
- Grok Voice Mode – How Good Is It Really?
- Grok API for Developers – Pricing, Limits and Code Examples
- Grok App for iPhone & Android – Full Review 2025
- Why Is Grok So Funny and “Unfiltered”?
- Grok Future: Grok 5, Robotics and xAI Plans 2026-2030
- 85+ Frequently Asked Questions About Grok (Updated November 2025)
What is Grok AI? The Simple Answer (Takes 30 Seconds)
Grok is an artificial intelligence created by Elon Musk’s company xAI and launched in November 2023. It’s a large language model (like ChatGPT) but designed to be:
- Maximally truth-seeking
- Less censored and politically correct
- Extremely sarcastic and funny (inspired by The Hitchhiker’s Guide to the Galaxy and JARVIS from Iron Man)
- Connected in real time to the social network X (formerly Twitter)
In 2025 Grok is considered by many experts as the most powerful public AI in the world (especially Grok 4).
Complete History of Grok (2023 → 2025)
November 2023 – Grok-1 announced. Only for X Premium+ subscribers.
March 2024 – Grok-1 open-sourced (314 billion parameters).
August 2024 – Grok 2 launched (beats Claude 3.5 and GPT-4o in some benchmarks).
December 2024 – Grok 3 released for free with limits.
July 2025 – Grok 4 launched (current king).
October 2025 – Grok Vision + Voice Mode for mobile apps.
All Grok Versions Compared – 2025 Table
| Version | Parameters | Release | Access | Best At | Benchmark Score (Avg) |
|---|---|---|---|---|---|
| Grok-1 | 314B | Nov 2023 | Open-source | Humor | 63 % |
| Grok 2 | ~480B | Aug 2024 | Premium | Coding | 81 % |
| Grok 3 | ~1.2T | Dec 2024 | Free with limits | Reasoning | 89 % |
| Grok 4 | ~2.1T | Jul 2025 | SuperGrok / Premium+ | Everything | 94.3 % |
How to Use Grok AI for Free in 2025 (3 Working Methods)
- Method 1 – Via X/Twitter
Go to x.com → left menu → “Grok” (free Grok 3 with daily limits). - Method 2 – grok.com
Direct access, same free quota. - Method 3 – Mobile Apps
Download “Grok” app (iOS/Android) → free Grok 3 + Voice Mode.
Grok 4 – The Monster (Everything Confirmed November 2025)
Grok 4 is currently the AI with the highest score in LMSYS Arena (blind tests by users). Beats GPT-5, Claude 4 Opus and Gemini 2.5 Pro in:
- Math (AIME 2025: 98.2 %)
- Programming (HumanEval+: 97 %)
- Long-context understanding (1 million tokens)
- Real-time web search + X posts
Grok vs ChatGPT vs Gemini vs Claude – Honest Comparison 2025
Grok Vision – How to Analyze Images, PDFs and Screenshots (Step-by-Step)
Only available in Grok 4 and mobile apps…
- Open Grok app
- Tap the camera icon
- Upload photo/PDF
- Ask anything: “Explain this physics problem” or “Summarize this 50-page contract”
85+ Frequently Asked Questions About Grok AI (November 2025)
Is Grok AI really free?
Yes! Grok 3 is 100 % free on x.com, grok.com and the apps (with usage limits). Grok 4 requires SuperGrok or X Premium+ subscription.
How much does SuperGrok cost?
Check current pricing at https://x.ai/grok (official page).
Is Grok better than ChatGPT in 2025?
In most independent benchmarks (LMSYS, Artificial Analysis), Grok 4 beats GPT-5 and o3 in math, coding and real-time information. ChatGPT is still better for some creative writing tasks.
That’s it! You now know absolutely everything about Grok AI in 2025.
Which version are you going to try first? Leave your experience in the comments!
