ChatGPT vs DeepSeek: UI comparison
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.
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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.