Rnj 1 Instruct and Ministral 3 3B 2512 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Rnj 1 Instruct, from essentialai, has a 32,768-token context window and is priced by the provider serving it on OpenRouter.
Ministral 3 3B 2512, from Mistral AI, has a 131,072-token context window and is priced at $0.10/M tokens input, $0.10/M tokens output on OpenRouter.