Granite 4.0 Micro and Relace Search are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Granite 4.0 Micro, from ibm-granite, has a 131,000-token context window and is priced at $0.017/M tokens input, $0.112/M tokens output on OpenRouter.
Relace Search, from relace, has a 256,000-token context window and is priced at $1/M tokens input, $3/M tokens output on OpenRouter.