Gemini Embedding 001 and Nemotron 3 Embed 1B 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.
Nemotron 3 Embed 1B, from Nvidia, has a 32,768-token context window and is priced by the provider serving it on OpenRouter.