Qianfan-OCR-Fast and Nemotron 3 Nano Omni are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Qianfan-OCR-Fast, from baidu, has a 65,536-token context window and is priced by the provider serving it on OpenRouter.
Nemotron 3 Nano Omni, from Nvidia, has a 256,000-token context window and is priced by the provider serving it on OpenRouter.