Olmo 3.1 32B Think and Rnj 1 Instruct are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Olmo 3.1 32B Think, from Ai2, has a 65,536-token context window and is priced by the provider serving it on OpenRouter.
Rnj 1 Instruct, from essentialai, has a 32,768-token context window and is priced by the provider serving it on OpenRouter.