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CustomGPT vs Grok

Side-by-side comparison based on our analysis. Last updated March 2026.

8.5/10

CustomGPT

$49/mo
7.9/10

Grok

Free / $30/mo

Feature Comparison

CriteriaCustomGPTGrok
Our Score8.5/107.9/10
Price$49/moFree / $30/mo
Free Tier✗ No✓ Yes
CategoryAI ChatbotsAI Chatbots
Key FeaturesCustom training data, Website integration, API accessReal-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