LFM2.5-Embedding-350M and Gemini Embedding 2 Preview are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
LFM2.5-Embedding-350M, from Liquid, has a 512-token context window and is priced by the provider serving it on OpenRouter.
Gemini Embedding 2 Preview, from Google, has a 8,192-token context window and is priced at $0.20/M tokens on OpenRouter.