E5-Large-v2 and Nemotron Nano 12B 2 VL are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
E5-Large-v2, from intfloat, has a 512-token context window and is priced at $0.01/M tokens on OpenRouter.
Nemotron Nano 12B 2 VL, from Nvidia, has a 128,000-token context window and is priced by the provider serving it on OpenRouter.