Gemini 2.5 Flash Preview 09-2025 and Fast Apply are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Gemini 2.5 Flash Preview 09-2025, from Google, has a 1,048,576-token context window and is priced by the provider serving it on OpenRouter.
Fast Apply, from morph, has a 32,000-token context window and is priced by the provider serving it on OpenRouter.