AI Interface Library

ChatGPT vs Claude: UI comparison

OpenAI · Anthropic · week of October 19, 2026

How ChatGPT (OpenAI) and Claude (Anthropic) compare on a desktop screen in the week of October 19, 2026: 3 differences and 6 similarities, measured from each product's weekly screenshot.

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ChatGPT UI screenshot, desktop, week of October 19, 2026
ChatGPT · desktop · week of October 19, 2026
Claude UI screenshot, desktop, week of October 19, 2026
Claude · desktop · week of October 19, 2026

Differences

  • ChatGPT shows 11 menu items; Claude shows 14.
  • Claude's message box covers more of the screen than ChatGPT's (6.5% vs 3.9%).
  • ChatGPT uses 4 text sizes; Claude uses 2.

Similarities

  • Both show about the same number of clickable items (~17 vs ~18).
  • Neither shows suggested prompts.
  • Both sidebars take a similar share of the screen width (27% vs 23%).
  • 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.

Claude

No menu changes have been recorded for Claude yet.

Portal pages

How the analysis is made