OpenRouter acts like a model aggregator, routing your requests to different...

https://hotel-wiki.win/index.php/What_Is_the_Simplest_Way_to_Add_Sequential_Chaining_to_a_Multi-Model_Setup%3F

OpenRouter acts like a model aggregator, routing your requests to different models but resetting context each time. This makes it easy to try multiple models quickly, though you can’t chain them smoothly in one conversation