Guides

Output tokens cost up to five times input. A support assistant at 10,000 conversations a day runs $2,700 or $9,000 a month depending only on model choice.

Classifiers measure how ordinary writing looks, which is not the same as who wrote it. Watermarking is better and still proves processing, not authorship.

How retrieval-augmented generation works, the two places it breaks, and when long context or a plain SQL query would serve you better.

Twelve prompting techniques that have an actual mechanism behind them. And how to tell when prompting has hit its ceiling.