Themes for ChatGPT, Claude and Gemini

10 built-in looks, from green-screen terminals to a sticker-covered 2003 phone. Each one restyles chatgpt.com, claude.ai and gemini.google.com in a click, and only the look changes: every button, upload and shortcut keeps working.

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2003 · Decorated

2004 · Clamshell

1991 · Classic Mac

2002 · Aqua

1995 · Windows 95

2001 · Windows XP

1983 · CRT terminal

1983 · CRT terminal

1989 · Handheld

Now · Minimal

Shared by the community

Themes ChatTheme users made with AI and chose to share. Open one to preview it and apply it in a click.

Swamp Hideout

Community theme

Sticker Phone remix

Community theme

Don't see your era?

Describe it instead. Type “2004 phone in lilac” or “Mac OS 9 but dark” into the Create tab and AI builds a complete theme in seconds, then keeps editing it as you chat.