OpenRouter lets you switch between different models easily but resets context...

https://noon-wiki.win/index.php/Exploring_the_Suprmind_Platform:_Key_Features_and_How_It_Stands_Out

OpenRouter lets you switch between different models easily but resets context each time, so your conversation can lose flow. Suprmind chains models sequentially, passing context along, which helps catch mistakes by cross-checking answers