all-MiniLM-L12-v2 and Grok 4 Fast are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
all-MiniLM-L12-v2, from sentence-transformers, has a 512-token context window and is priced at $0.005/M tokens on OpenRouter.
Grok 4 Fast, from SpaceXAI, has a 2,000,000-token context window and is priced by the provider serving it on OpenRouter.