Cogito v2.1 671B and Nemotron Nano 9B V2 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Cogito v2.1 671B, from deepcogito, has a 128,000-token context window and is priced by the provider serving it on OpenRouter.
Nemotron Nano 9B V2, from Nvidia, has a 32,000-token context window and is priced by the provider serving it on OpenRouter.