OpenRouter acts as a model aggregator, letting you switch between multiple...

https://milosinterestingcolumns.huicopper.com/suprmind-vs-openrouter-for-agent-workflows-and-prompt-chains

OpenRouter acts as a model aggregator, letting you switch between multiple models quickly without losing context. It’s great for seamless back-and-forth but can struggle with deeper task flows that need steps chained together