# Grok vs Perplexity: UI comparison

- Week: week of October 19, 2026 (2026-10-19)
- Page: https://ai-portal-library.dev/compare/grok-vs-perplexity
- Open in Compare: https://ai-portal-library.dev/#compare?view=table&mode=portals&week=2026-10-19&portals=grok,perplexity&device=desktop

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.

## 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.

## Portal pages

- Grok: https://ai-portal-library.dev/portals/grok
- Perplexity: https://ai-portal-library.dev/portals/perplexity

## Screenshots

- Grok, desktop: https://ai-portal-library.dev/img/shots/2026-10-19/grok.local.png?v=1792783897487
- Perplexity, desktop: https://ai-portal-library.dev/img/shots/2026-10-19/perplexity.local.png?v=1792783768739