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CustomGPT vs Grok
Side-by-side comparison based on our analysis. Last updated March 2026.
Feature Comparison
| Criteria | CustomGPT | Grok |
| Our Score | 8.5/10 | 7.9/10 |
| Price | $49/mo | Free / $30/mo |
| Free Tier | ✗ No | ✓ Yes |
| Category | AI Chatbots | AI Chatbots |
| Key Features | Custom training data, Website integration, API access | Real-time X (Twitter) data integration, Grok 4 reasoning model, Aurora image generation |
Our Verdict
CustomGPT takes the edge with a score of 8.5/10 compared to Grok's 7.9/10. The gap is meaningful and reflects real differences in quality and capability.
Choose CustomGPT if you prioritize core ai chatbots capabilities are best-in-class and consistently impressive. Choose Grok if you value real-time x integration is genuinely unique — no competitor matches this for live cultural awareness.
Read our full reviews: CustomGPT review · Grok review