OpenRouter acts as a model aggregator letting you easily switch between models...

https://bizzmarkblog.com/openrouter-gives-me-3-answers-now-i-have-to-pick-one-how-do-teams-handle-this/

OpenRouter acts as a model aggregator letting you easily switch between models but each call resets the context. Suprmind’s multi-model orchestrator lets you chain models sequentially, keeping context alive throughout