Practical AI guides: put models to work on real problems

From reading your API bill and choosing a coding model to building a document workflow.

How to Estimate AI API Costs: A Low Price per Token Is Not a Low Bill

Understand input, output, caching and repeated calls to estimate what you will really pay.

Read the guide Developer choice

How to Choose an AI Coding Model: Test It on Your Own Code

Turn a leaderboard into a shortlist, then let real tasks decide.

Read the guide Office work

AI for Long Document Summaries and Q&A: Check for Gaps Before Building a Workflow

Summaries, extraction and question answering each need their own check.