# Microsoft Copilot vs DeepSeek: UI comparison

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

How Microsoft Copilot (Microsoft) and DeepSeek (DeepSeek) compare on a desktop screen in the week of October 19, 2026: 2 differences and 5 similarities, measured from each product's weekly screenshot.

## Differences

- DeepSeek's message box covers more of the screen than Microsoft Copilot's (9.5% vs 4.5%).
- Microsoft Copilot's sidebar takes 20% of the screen width, DeepSeek shows no sidebar.

## Similarities

- Both show 5 menu items outside the sidebar.
- Both use 3 text sizes.
- 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.

### DeepSeek

No menu changes have been recorded for DeepSeek yet.

## Portal pages

- Microsoft Copilot: https://ai-portal-library.dev/portals/copilot
- DeepSeek: https://ai-portal-library.dev/portals/deepseek

## Screenshots

- Microsoft Copilot, desktop: https://ai-portal-library.dev/img/shots/2026-10-19/copilot.local.png?v=1792783855518
- DeepSeek, desktop: https://ai-portal-library.dev/img/shots/2026-10-19/deepseek.local.png?v=1792783914717