Olmo 3 7B Think and Riverflow V2 Pro are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Olmo 3 7B Think, from Ai2, has a 65,536-token context window and is priced by the provider serving it on OpenRouter.
Riverflow V2 Pro, from Sourceful, has a 8,192-token context window and is priced from $0.15/image on OpenRouter.