Llama Guard 4 12B and Qwen3.7 Flash are available through the OpenRouter API, so switching between them takes a model slug change rather than a new integration.
Llama Guard 4 12B, from Meta Llama, has a 163,840-token context window and is priced at $0.18/M tokens input, $0.18/M tokens output on OpenRouter.
Qwen3.7 Flash, from Qwen, has a 1,000,000-token context window and is priced at $0.03/M tokens input, $0.13/M tokens output on OpenRouter.