Hy-MT2-1.8B and Inkling Small are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Hy-MT2-1.8B, from tencent, has a 8,192-token context window and is priced at $0.044/M tokens input, $0.177/M tokens output on OpenRouter.
Inkling Small, from thinkingmachines, has a 524,288-token context window and is priced at $0.45/M tokens input, $1.20/M tokens output on OpenRouter.