What Building a Multi-Model AI Gateway Taught Me About Reliability

I’m building OpenRain, an OpenAI-compatible AI API gateway. I originally thought the hard part would be integrating more providers. I was wrong. The hard part is absorbing inconsistency — and still giving developers something stable enough to trust in production. Building an OpenAI-Compatible Multi-Model Gateway Taught Me What “Unified API” Really Means When I first started thinking about a multi-model gateway, I had a fairly simple mental model. Take a few major model providers. P...