Granite 4.2 8B and Ling-3.0-flash 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.
Ling-3.0-flash, from inclusionai, has a 262,144-token context window and is priced at $0.021/M tokens input, $0.063/M tokens output on OpenRouter.