bge-large-en-v1.5 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.
bge-large-en-v1.5, from baai, has a 512-token context window and is priced at $0.01/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.