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

https://www.generate-bookmark.win/openrouter-acts-as-a-model-aggregator-letting-you-pick-from-multiple-models-in-1

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