One useful AI thing a day, from actual practice. No hype, no roundups of roundups.

Prompt

The one-line prompt that saves your best model's tokens

Tool

How to Search Google’s Knowledge Graph Without Using the API Yourself

Note

ChatGPT 5.6: Sol, Terra, Luna, Effort-Levels: How to Pick the Right One?

Note

Why GEO Researchers Keep Studying Perplexity Despite Its 1.3% Web-Traffic Share

Prompt

How and when to use /compact in Claude Code