Guides

Guides and tools.

Everything we have written on choosing an AI model, what it costs and how to switch, in one place.

Choosing a model

Coding, web development, reasoning, math, writing, vision, long documents and budget, ranked on independent votes.

Flagship against flagship and small against small, on price, context and benchmarks.

Our measurements of how many more tokens Hindi, Marathi, Bengali, Tamil and Telugu use than English, model by model.

Every scored model on LMArena and Epoch AI, next to its price.

Your monthly tokens in, the cost of every model out.

The cheapest and median price per million tokens by category, refreshed every month.

What a dollar bill really costs from India and the four ways to pay.

Reverse charge against an Indian invoice, with the arithmetic both ways.

Row by row, with a worked monthly example and a migration checklist.

The base URL and key change for every SDK, what maps 1:1 and what works differently.

Nine AI gateways compared on billing, catalog and how much you run yourself.

Cursor, Cline, Continue, LangChain, Vercel AI SDK, n8n, Open WebUI and more.

Your first request in a minute.

Whether we store request content, and when to turn it on.

Saved request settings and how they change a call.

Keys that create and limit other keys.

How keys, money and traffic are protected.