Granite 4.2 8B and MiniMax M2.7 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Granite 4.2 8B, from ibm-granite, has a 131,072-token context window and is priced at $0.10/M tokens input, $0.15/M tokens output on OpenRouter.
MiniMax M2.7, from MiniMax, has a 204,800-token context window and is priced at $0.24/M tokens input, $0.96/M tokens output on OpenRouter.