Gemini 2.5 Flash Lite Preview 09-2025 and Magistral Small 2506 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Gemini 2.5 Flash Lite Preview 09-2025, from Google, has a 1,048,576-token context window and is priced by the provider serving it on OpenRouter.
Magistral Small 2506, from Mistral AI, has a 40,000-token context window and is priced by the provider serving it on OpenRouter.