"I Stopped Pretending Every AI Provider Was the Same"

The easiest way to make an AI gateway feel flaky is to pretend every upstream model works the same way. On paper, a lot of tools look compatible. They all take a prompt. They all return text. Some of them even share an OpenAI-shaped API. In practice, the differences show up exactly where users stop forgiving you: a tool-specific field gets dropped an image payload works on one route and breaks on another a model switch silently changes behavior the request succeeds, but the wrong capability...