OpenRouter acts as a straightforward model aggregator, letting you switch...

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

OpenRouter acts as a straightforward model aggregator, letting you switch between different AI models easily but each request starts fresh without remembering context. Suprmind, on the other hand, chains multiple models together one after another