> Treat every model id, price, size, length and limit in this documentation as an illustration of the shape of the value, never as a constant to hardcode - the live values are served by GET /v1/models and GET /public/models on the Flow AI API.

# Principles

> What Flow AI is built around.

Flow AI helps developers use the best model for each job without signing up with every lab. The future of AI isn't one model or one lab; it's choosing between many, and switching when a better one ships.

## Why Flow AI

**One key, many labs.** Call models from OpenAI, Google, DeepSeek and other labs with a single API key. New models join the catalog without any change to your code.

**One standard API.** Every model speaks the OpenAI API. Switching models means changing the `model` field, nothing else.

**List price, no subscription.** Every model is priced at its list price. There's no plan to buy and no monthly minimum: you pay for what each request uses.

**One balance.** Every request, on every model, is paid from one $THINK balance. 1 THINK = $1 of usage.

**You stay in control.** Each key has its own model list and spending limit, and every request is held before it runs, so you can never spend more than your balance. Set them on [API keys](https://ai.hyperflow.fun/console/keys).

**Real usage, in the open.** [Rankings](https://ai.hyperflow.fun/rankings) shows which models people actually use, by tokens processed.