Gemini 3 Flash Preview and MiniMax M2 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Gemini 3 Flash Preview, from Google, has a 1,048,576-token context window and is priced at $0.50/M tokens input, $3/M tokens output on OpenRouter.
MiniMax M2, from MiniMax, has a 204,800-token context window and is priced at $0.255/M tokens input, $1.02/M tokens output on OpenRouter.