Claude Opus 4.6 (Fast) and Trinity Large Preview are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Claude Opus 4.6 (Fast), from Anthropic, has a 1,000,000-token context window and is priced by the provider serving it on OpenRouter.
Trinity Large Preview, from arcee-ai, has a 131,000-token context window and is priced by the provider serving it on OpenRouter.