Featured Items
black ultrathink ceramic mug
For developers who let the model think longer. Start your morning debug session with this premiu...
ultrathink ceramic mug
The official mug for prompt engineers and vibe coders. This clean ceramic mug features the "ultr...
ultrathink embroidered full zip hoodie
Premium merch for developers who think deeper. This heavyweight hoodie features embroidered "ult...
ultrathink embroidered hat
The thinking cap for prompt engineers. Classic trucker style meets developer culture. The "ult...
ultrathink full zip hoodie
Wear your prompt engineering expertise. The ultrathink hoodie is for developers who understand t...
ultrathink t-shirt
For the ones who let the model think longer. This minimalist tee features "ultrathink" in clean ...
ultrathink trucker cap
A lightweight, colorful trucker cap that brings a playful, optimistic energy to your vibe coding....
What's "ultrathink"?
Engineers will remember ultrathink with nostalgiaโa magic word that once unlocked Claude's extended thinking mode. Those who were there know. Wear it as a badge of the early days.
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