DeepSeek V3.1 Base and Llama Guard 4 12B are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
DeepSeek V3.1 Base, from DeepSeek, has a 163,840-token context window and is priced by the provider serving it on OpenRouter.
Llama Guard 4 12B, from Meta Llama, has a 1,048,576-token context window and is priced at $0.18/M tokens input, $0.18/M tokens output on OpenRouter.