# ChatGPT vs DeepSeek: UI comparison

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

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

## Differences

- ChatGPT shows 2 menu items outside the sidebar; DeepSeek shows 5.
- DeepSeek's message box covers more of the screen than ChatGPT's (9.5% vs 3.9%).
- ChatGPT's sidebar takes 27% of the screen width, DeepSeek shows no sidebar.
- ChatGPT uses 4 text sizes; DeepSeek uses 3.

## Similarities

- 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

### ChatGPT

Week of October 19, 2026, compared with the week of October 12, 2026:

- The Chat item no longer appears in the top bar.
- The Work item no longer appears in the top bar.

### DeepSeek

No menu changes have been recorded for DeepSeek yet.

## Portal pages

- ChatGPT: https://ai-portal-library.dev/portals/chatgpt
- DeepSeek: https://ai-portal-library.dev/portals/deepseek

## Screenshots

- ChatGPT, desktop: https://ai-portal-library.dev/img/shots/2026-10-19/chatgpt.local.png?v=1792783715166
- DeepSeek, desktop: https://ai-portal-library.dev/img/shots/2026-10-19/deepseek.local.png?v=1792783914717