E5-Base-v2 and Llama Nemotron Embed VL 1B V2 are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
E5-Base-v2, from intfloat, has a 512-token context window and is priced at $0.005/M tokens on OpenRouter.
Llama Nemotron Embed VL 1B V2, from Nvidia, has a 131,072-token context window and is priced by the provider serving it on OpenRouter.