🔮 Promptolis Originals · Decisions & Reasoning
Premium-tier: the prompts that change how you think.
Tier-3 AI prompts for major decisions — 5-scenario life forecasts, pre-mortems for big projects, steelman + devil's advocate. The prompts where getting it right pays for itself 100x over. Used by founders, operators, and decision-makers.
21 Originals in this category · Curated by Promptolis Editorial · Last updated
🥇 Tier 3 — Gold / Moat
Premium Originals with low volume but high intent. The ones worth your full attention.
Life Decision 5-Scenario Forecaster
Five realistic 10-year futures for any major decision — with probabilities, tradeoffs, and the question you should actually be asking.
Steelman Devil's Advocate
The strongest possible case against your position. Honest, rigorous, no straw-men. Exposes your hidden assumptions and the one most likely to be wrong.
Pre-Mortem for Major Project
Imagines your project has already failed 6 months from now and works backward to identify the most likely failure modes.
🥈 Tier 2 — Sweet Spot
Core Originals — mid-volume problems where sharpness beats generic AI output.
Irreversible Decision Checklist — Bezos One-Way Door
One-way doors deserve 10× more analysis than two-way. Bezos's framework.
Regret Minimization — 80-Year-Old Lens (Bezos)
Jeff Bezos's framework for Amazon decision: 'Which option will I regret less at 80?' Future-self perspective sidesteps loss-aversion + short-term bias.
WRAP Framework Decider (Heath Brothers)
Widen options / Reality-test assumptions / Attain distance / Prepare to be wrong.
🥉 Tier 1 — Volume
High-search-volume Originals for common tasks — built to outrank generic 'ChatGPT prompt' pages.
Big Life Decision Structurer
The 10-section document that turns a 'I don't know what to do' spiral into a decision you can actually make.
Decision Fatigue Protocol
Structures your day, week, and role so your limited high-quality decision energy goes to the decisions that actually matter.
Decision Journal Template
The Annie Duke / Ray Dalio structure for logging decisions BEFORE you know the outcome.
Fermi Estimation Coach
The structured napkin-math approach to answering questions like 'how big is the market?' or 'how much would this actually cost?' when you have no data.
Opportunity Cost Calculator
The 'what are you NOT doing by doing this' analysis — forces you to name the specific alternative paths you're closing off, not the abstract ones.
Outside View Forecaster
Kahneman's base-rate correction — what did similar projects / companies / decisions ACTUALLY produce?
Pre-Mortem Analysis Tool
Imagine the project failed — now explain why. The Gary Klein technique that catches 30% more failure modes than traditional risk analysis…
Red-Team Your Decision
Simulates the sharpest critic of your plan — the one you'd hate to present this to — and makes you defend every assumption before reality does.
Regret Minimization Framework
Jeff Bezos's 80-year-old self decision filter — but calibrated to YOUR specific life pattern, not a tech billionaire's.
Reversibility Checker
Bezos's Type-1 vs. Type-2 decision filter — classifies whether your decision needs 3 hours of analysis or 30 minutes…
Risk Appetite Calibrator
Distinguishes the risks you SHOULD take from the ones you shouldn't — based on your actual life situation, not generic 'be bold' advice.
Sunk Cost Detector
Diagnoses whether you're 'committed' or 'trapped' — and gives you the 3-question test for whether to quit, pivot, or double down.
Time Horizon Decision Framework
Re-frames your decision across 5 time horizons (10 days, 10 weeks, 10 months, 10 years, legacy) — and catches where you're optimizing for the wrong one.
Cognitive Bias Decision Audit
Before any major decision: audit the 8 biases most likely distorting your judgment. Kahneman-informed checklist that catches what System 1 hides.
Decision-Making Prompts Pack — 30 Prompts From Daily Choices to Life Decisions
30 research-backed decision prompts across 6 categories (cognitive bias audit / pre-mortem / WRAP framework / regret minimization / small daily /…
Frequently asked questions
What is the "Decisions & Reasoning" category on Promptolis?
Tier-3 AI prompts for major decisions — 5-scenario life forecasts, pre-mortems for big projects, steelman + devil's advocate. The prompts where getting it right pays for itself 100x over. Used by founders, operators, and decision-makers. Every prompt in this category is a Promptolis Original — hand-crafted by the Promptolis Editorial team and reviewed before publishing.
How many Decisions & Reasoning Originals are there?
There are 21 Promptolis Originals in the Decisions & Reasoning category. New ones are added weekly.
Are Decisions & Reasoning Originals free?
Yes. Every Promptolis Original is free, MIT-licensed, and copy-ready. No email required, no paywall.
Which AI model works best for Decisions & Reasoning prompts?
Most Originals in this category are tuned for Claude Sonnet 4.5 / Opus 4 and GPT-5. Each Original page includes a model-specific recommendation.