Gemini Embedding 001 and Ministral 3 8B 2512 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Gemini Embedding 001, from Google, has a 20,000-token context window and is priced at $0.15/M tokens on OpenRouter.
Ministral 3 8B 2512, from Mistral AI, has a 262,144-token context window and is priced at $0.15/M tokens input, $0.15/M tokens output on OpenRouter.