Grok vs Perplexity: UI comparison
How Grok (xAI) and Perplexity (Perplexity AI) compare on a desktop screen in the week of October 19, 2026: 3 differences and 5 similarities, measured from each product's weekly screenshot.
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Differences
- Grok shows 11 menu items; Perplexity shows 17.
- Grok shows more clickable items than Perplexity (~25 vs ~22).
- Grok uses 4 text sizes; Perplexity uses 3.
Similarities
- Both message boxes cover about 8% of the screen.
- Both sidebars take a similar share of the screen width (20% vs 19%).
- Neither shows a note about the AI's limits.
- Both were captured in dark mode.
- Both message boxes sit in the middle third of the screen.
Latest menu changes
Grok
No menu changes have been recorded for Grok yet.
Perplexity
Week of October 12, 2026, compared with the week of October 5, 2026:
- The sidebar item Sessions is now labeled Recents.