OpenRouter acts like a model aggregator, letting you switch between different...

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

OpenRouter acts like a model aggregator, letting you switch between different AI models easily. But it resets the context with each call, so you lose conversation flow. Suprmind, on the other hand, is a multi-model orchestrator