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What does "Ultrathink" mean in Claude Code?

The Magic Prompt

"Ultrathink about this." is a special prompt used by Claude Code power users to activate Claude's maximum thinking capacity.

Ultrathink about this.

What it does

Why "Ultrathink"?

The word "Ultrathink" signals to Claude Code that you want maximum cognitive effort on the task at hand. It's become a shorthand among developers for "think deeply about this problem."

The problem it solves

If you're a Claude Code power user, you probably type this phrase 10, 20, or even 50 times a day. That's where this app comes in.

For the ultra thinking Vibe Coders

This app is for developers who vibe with Claude Code's deep thinking capabilities and want instant access to that power.

Get Ultrathink