# Microsoft Copilot vs Grok: UI comparison

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

How Microsoft Copilot (Microsoft) and Grok (xAI) 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

- Microsoft Copilot shows 14 menu items; Grok shows 11.
- Grok's message box covers more of the screen than Microsoft Copilot's (7.5% vs 4.5%).
- Microsoft Copilot uses 3 text sizes; Grok uses 4.

## Similarities

- Both show about the same number of clickable items (~23 vs ~25).
- Both sidebars take a similar share of the screen width (20% vs 20%).
- 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

### Microsoft Copilot

No menu changes have been recorded for Microsoft Copilot yet.

### Grok

No menu changes have been recorded for Grok yet.

## Portal pages

- Microsoft Copilot: https://ai-portal-library.dev/portals/copilot
- Grok: https://ai-portal-library.dev/portals/grok

## Screenshots

- Microsoft Copilot, desktop: https://ai-portal-library.dev/img/shots/2026-10-19/copilot.local.png?v=1792783855518
- Grok, desktop: https://ai-portal-library.dev/img/shots/2026-10-19/grok.local.png?v=1792783897487