ERNIE 4.5 VL 28B A3B and gpt-oss-120b are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
ERNIE 4.5 VL 28B A3B, from baidu, has a 131,072-token context window and is priced by the provider serving it on OpenRouter.
gpt-oss-120b, from OpenAI, has a 131,072-token context window and is priced at $0.03/M tokens input, $0.17/M tokens output on OpenRouter.