ChatGPT vs Grok
A detailed comparison of ChatGPT and Grok. See how they stack up on features, pricing, and user ratings.
Quick Summary
ChatGPT leads with a 4.7/5 rating compared to Grok's 4.3/5. ChatGPT is designed for solopreneur to enterprise companies, while Grok targets all organisations. Both tools offer free plans, so you can try each before committing.
ChatGPT
OpenAI's market-leading AI assistant powered by GPT-5.4 Thinking with 1M token context
Rating
4.7/5
Best for
Solopreneur to Enterprise
Free trial
No
Free plan
Yes
Grok
xAI's frontier AI assistant with multi-agent architecture and real-time X/Twitter integration
Rating
4.3/5
Best for
All
Free trial
No
Free plan
Yes
Feature Comparison
| Feature | ChatGPT | Grok |
|---|---|---|
| Code Generation | ||
| Conversation Memory | ||
| Custom Instructions | ||
| File Upload & Analysis | ||
| Natural Language Chat | ||
| Reasoning & Chain of Thought | ||
| Web Browsing | ||
| Text-to-Image | ||
| API Access | ||
| Browser Extension | ||
| Data Privacy Controls | ||
| Mobile App | ||
| Team Management |
AI Models Compared
| Spec | ChatGPT | Grok |
|---|---|---|
| Primary Model | GPT-5.4 | Grok 4 |
| Vendor | OpenAI | xAI |
| Context Window | 1.05M tokens | 256K tokens |
| Max Output | 128K tokens | 131.1K tokens |
| Web Search | ||
| Code Execution | ||
| Computer Use | ||
| Image Generation | ||
| Knowledge Cutoff | August 2025 | November 2024 |
| API Pricing (input) | $2.50/MTok | $3.00/MTok |
| API Pricing (output) | $15.00/MTok | $15.00/MTok |
| Total Models | 9 | 2 |
Based on primary model for each tool. View all models →
Pricing Comparison
ChatGPT
Free
Free
Plus
$20/mo
Team
$25/mo
Pro
$200/mo
Grok
Free (via X)
Free
X Premium
$8/mo
API (Grok 4 Fast)
Free
Pros & Cons
ChatGPT
Pros
- +Most versatile AI assistant with broadest capability set
- +Strong free tier that covers most basic needs
- +Excellent plugin and GPTs ecosystem
- +Reliable and fast with massive infrastructure
Cons
- -Can hallucinate facts with unwarranted confidence
- -Pro plan at $200/month is very expensive
- -Data privacy concerns for sensitive business use
- -Output quality can vary between sessions
Grok
Pros
- +Extremely competitive API pricing ($0.20/MTok)
- +2M token context window
- +Real-time X/Twitter data access
- +Top-ranked image-to-video AI
Cons
- -Primarily accessible through X ecosystem
- -Newer platform with less established track record
- -Free tier requires X account
- -Enterprise features less mature than OpenAI/Anthropic
Which Should You Choose?
Choose ChatGPT if:
- • Your company is Solopreneur to Enterprise size
- • You want to start with a free plan
- • Most versatile AI assistant with broadest capability set
- • Higher user ratings matter to you (4.7 vs 4.3)
Choose Grok if:
- • You want to start with a free plan
- • Extremely competitive API pricing ($0.20/MTok)
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Feature and pricing data verified from official sources. Last updated 2026-03-12.