Riverflow V2 Max Preview and GTE-Large are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Riverflow V2 Max Preview, from Sourceful, has a 8,192-token context window and is priced by the provider serving it on OpenRouter.
GTE-Large, from thenlper, has a 512-token context window and is priced at $0.01/M tokens on OpenRouter.