# Meta AI vs Perplexity: UI comparison

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

How Meta AI (Meta) and Perplexity (Perplexity AI) compare on a desktop screen in the week of October 19, 2026: 3 differences and 4 similarities, measured from each product's weekly screenshot.

## Differences

- Meta AI shows 9 menu items; Perplexity shows 17.
- Meta AI's message box covers more of the screen than Perplexity's (9.8% vs 7.5%).
- Meta AI uses 4 text sizes; Perplexity uses 3.

## Similarities

- 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

### Meta AI

No menu changes have been recorded for Meta AI 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

- Meta AI: https://ai-portal-library.dev/portals/meta-ai
- Perplexity: https://ai-portal-library.dev/portals/perplexity

## Screenshots

- Meta AI, desktop: https://ai-portal-library.dev/img/shots/2026-10-19/meta-ai.local.png?v=1792783929238
- Perplexity, desktop: https://ai-portal-library.dev/img/shots/2026-10-19/perplexity.local.png?v=1792783768739