OpenRouter lets you easily switch between different models, but each request...

https://bizzmarkblog.com/suprmind-vs-openrouter-what-do-you-lose-if-you-just-use-an-aggregator/

OpenRouter lets you easily switch between different models, but each request starts fresh with no memory of past context. Suprmind, on the other hand, chains multiple models together sequentially, passing context along so you get more thoughtful responses