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Apply a mental model to your real situation.

Choose one model, stress-test your thinking, and leave with one next step. Inputs stay in your browser and are not saved.

Current model

Inversion

Pick manually or click Pick a useful model for a context-aware suggestion.

Situation or decision

Context category

Choose a model

Model explanation

Three application prompts

Likely blind spot

Next action

Related book, tool, game

Copyable thinking card

Strong frameworks

Books that sharpen model-based thinking

A Thousand Brains $100M Offers Essentialism Meditations

Practice mode

Use this explorer for clear reflection, then play Mental Model Dungeon to train fast pattern recognition.