Trinity Large Preview and Gemini 3 Pro Preview are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Trinity Large Preview, from arcee-ai, has a 131,000-token context window and is priced by the provider serving it on OpenRouter.
Gemini 3 Pro Preview, from Google, has a 1,048,576-token context window and is priced by the provider serving it on OpenRouter.