OpenRouter lets you plug into multiple models at once, making it easy to try...

https://riversinterestingthoughtss.wpsuo.com/how-to-build-a-multi-model-debate-workflow-for-better-answers

OpenRouter lets you plug into multiple models at once, making it easy to try different options without switching tools. But it resets context with each call, which can break the flow if you want to chain steps together