AI Gets Your Spreadsheet 89% Right. The Wrong 11% Is Built to Pass Your Review.
AI builds a financial model fast, then fails in subtle ways that pass your review. The practitioner workflow that catches the errors before your name is on them.
Category: How To
Stop Picking Models Off the Leaderboard. Build the Eval That Predicts What Actually Ships.
A frontier model ships roughly every two days and public leaderboards can't tell you which one fits your workload. Here's how to build LLM evals that can.
Stop Writing Step-by-Step Prompts for Agentic Models. Define the Outcome Instead.
Agent-first models plan their own steps. Outcome-based prompting, with tight constraints and stop conditions, gets more out of them than a numbered list.
Every Frontier Model Now Ships With an Effort Dial. Most Users Leave It on Default.
Every frontier AI model now ships with an effort dial. This guide explains when to use low, medium, high, and max reasoning effort across Claude Opus 4.8, GPT-5.5, and Gemini 3.5 Flash.
GPT-5.5 is an agent first, a chatbot second. Here's how to drive it: Codex, Plan Mode, effort levels, and outcome-based prompting.
The Three Skills That Separate AI Power Users: Routing, Effort, and Caching
Routing, effort tuning, and caching are the three habits that can cut an AI bill by 70% with no loss of quality. Here's how each works.