OpenRouter lets you easily try different models by switching between them, but...

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

OpenRouter lets you easily try different models by switching between them, but it resets context each time, so you lose previous conversation flow. Suprmind connects models in a sequence, letting them build on each other’s output which keeps context alive