Grok and ChatGPT represent two different approaches to AI. Grok from xAI ranks #1 on LMArena and offers real-time X/Twitter integration. ChatGPT from OpenAI leads on reasoning benchmarks and has the largest user base. Here's how they compare.
Quick Comparison
| Feature | Grok | ChatGPT |
|---|---|---|
| Company | xAI | OpenAI |
| Top Model | Grok 4.1 | GPT-5.2 |
| LMArena Ranking | #1 (1483 Elo) | Top 5 |
| ARC-AGI-1 | 15.9% (V2) | 90%+ |
| Humanity's Last Exam | 50% (first ever) | Not reported |
| Context Window | 2M tokens | 400K tokens |
| Real-time Data | X/Twitter native | Web search |
| Image Generation | Aurora | DALL-E |
| Premium Price | $22-300/month | $20/month |
| Personality | Witty, less filtered | Professional |
Grok Overview
Grok is xAI's flagship AI, created by Elon Musk's AI company. Grok 4.1 currently holds the #1 position on LMArena's Text Arena with 1483 Elo. It's known for its personality, real-time X integration, and willingness to tackle topics other AIs avoid.
Key Strengths
- #1 on LMArena - Grok 4.1 leads the public AI leaderboard (1483 Elo)
- 50% Humanity's Last Exam - First model to score 50% on this benchmark (Grok 4 Heavy)
- 2M Token Context - Massive context for complex tasks
- Real-time X Data - Native access to X/Twitter information
- Aurora Images - Built-in image generation
- Personality - More witty and less filtered than competitors
Unique Features
- X/Twitter Search - Advanced semantic search across the X platform
- Media Understanding - Can view and analyze media from X
- Native Tool Use - Trained to use tools like code interpreter and web browsing
ChatGPT Overview
ChatGPT is OpenAI's flagship product and the AI that sparked the current AI revolution. GPT-5.2 leads on reasoning benchmarks and offers the most polished user experience.
Key Strengths
- 90%+ ARC-AGI-1 - First model to break 90% on general reasoning
- 100% AIME 2025 - Perfect mathematical reasoning
- 55.6% SWE-Bench Pro - Strong agentic coding
- Largest User Base - Most widely used AI chatbot
- Plugin Ecosystem - Extensive third-party integrations
- Custom GPTs - Create and share specialized assistants
Unique Features
- Three Modes - Instant (fast), Thinking (reasoning), Pro (accuracy)
- Custom GPTs - Build specialized assistants
- Memory - Remembers context across conversations
Head-to-Head Comparison
Human Preference (LMArena)
Winner: Grok
Grok 4.1 holds the #1 position on LMArena's Text Arena with 1483 Elo. This measures which AI humans prefer in blind comparisons. Users consistently choose Grok's responses over competitors.
Reasoning Benchmarks
Winner: ChatGPT
GPT-5.2's 90%+ score on ARC-AGI-1 is unprecedented. Combined with 100% on AIME 2025 math, ChatGPT leads on formal reasoning benchmarks. Grok's ARC-AGI V2 score is 15.9%.
Real-time Information
Winner: Grok
Grok has native integration with X/Twitter, providing access to real-time posts, trends, and discussions. ChatGPT has web search but can't match Grok's X data access.
Context Window
Winner: Grok
Grok's 2M token context is 5x larger than ChatGPT's 400K. For processing large documents or long conversations, Grok can handle significantly more information.
Personality & Style
Winner: Depends on preference
Grok is intentionally more witty, irreverent, and willing to discuss topics other AIs avoid. ChatGPT is more professional and polished. Some prefer Grok's personality; others prefer ChatGPT's consistency.
Ecosystem
Winner: ChatGPT
ChatGPT has the largest user base, most third-party integrations, and Custom GPTs. If ecosystem matters, ChatGPT leads.
Pricing
Monthly Subscriptions
SuperGrok: $22/month - Basic Grok access
SuperGrok Heavy: $300/month - Premium Grok models
ChatGPT Plus: $20/month - GPT-5.2 access
Go Ask Chat Pro: $8/month - Both Grok AND GPT + Claude, Gemini, and more
Which Should You Choose?
Choose Grok if you:
- Want #1 LMArena-ranked AI (human preference)
- Need real-time X/Twitter data
- Prefer a more personality-driven assistant
- Work with the X platform ecosystem
- Need massive context (2M tokens)
Choose ChatGPT if you:
- Need best reasoning capabilities (90%+ ARC-AGI)
- Want a professional, consistent tone
- Use plugins and Custom GPTs
- Prefer the largest AI ecosystem
- Value mathematical reasoning (100% AIME)
Why Not Both?
Grok and ChatGPT excel at different things. Grok wins human preference tests and has real-time X data. ChatGPT wins reasoning benchmarks and has the largest ecosystem. Use both based on the task.
With Go Ask Chat, you get Grok 4.1 Fast AND GPT-5.2 for $8/month - far less than either subscription alone. Plus Claude, Gemini, and 24 more models.
Get Grok + ChatGPT for $8/month
Access both AI leaders plus Claude, Gemini, and more. No separate subscriptions.
Try Free - 20 Messages/DayFrequently Asked Questions
Is Grok better than ChatGPT?
Grok ranks #1 on LMArena (human preference). ChatGPT leads on formal reasoning benchmarks (ARC-AGI). They're better at different things. Grok for real-time info and personality, ChatGPT for reasoning and ecosystem.
Why is Grok more expensive?
SuperGrok ($22/mo) and especially SuperGrok Heavy ($300/mo) reflect xAI's positioning as a premium product. ChatGPT Plus at $20/mo is priced for mass-market adoption. Go Ask Chat at $8/mo gives you both.
Can I get X/Twitter data without paying for Grok?
Go Ask Chat includes Grok 4.1 Fast, which provides access to Grok's capabilities. However, the deepest X integration is specific to SuperGrok products.
Which is better for coding?
ChatGPT (GPT-5.2) leads on coding benchmarks (55.6% SWE-Bench Pro). Grok is capable but coding isn't its primary strength.